Document and Entity Information

6 Months Ended

Jun. 30, 2017

Entity Information [Line Items]

Entity Registrant Name

CONNECTICUT WATER SERVICE INC / CT

Entity Central Index Key

0000276209

Current Fiscal Year End Date

--12-31

Entity Filer Category

Accelerated Filer

Document Type

10-Q

Document Period End Date

Jun. 30, 2017

Document Fiscal Year Focus

2017

Document Fiscal Period Focus

Q2

Amendment Flag

false

Entity Common Stock, Shares Outstanding

11,575,400

CONSOLIDATED BALANCE SHEETS (USD $)

In Thousands, unless otherwise specified

Jun. 30, 2017

Dec. 31, 2016

ASSETS

Utility Plant

$ 859,295

$ 777,860

Construction Work in Progress

12,321

33,748

Gross Utility Plant

871,616

811,608

Accumulated Provision for Depreciation

(223,928)

(210,212)

Net Utility Plant

647,688

601,396

Other Property and Investments

9,894

9,071

Cash and Cash Equivalents

2,694

1,564

Accounts Receivable (Less Allowance, 2017 - $1,161; 2016 - $1,100)

12,875

13,024

Accrued Unbilled Revenues

9,153

8,171

Materials and Supplies

1,768

1,536

Prepayments and Other Current Assets

6,743

5,069

Total Current Assets

33,233

29,364

Unrecovered Income Taxes - Regulatory Asset

98,453

93,264

Pension Benefits - Regulatory Asset

11,439

12,266

Post-Retirement Benefits Other Than Pension - Regulatory Asset

146

265

Goodwill

43,045

30,427

Deferred Charges and Other Costs

11,118

8,449

Total Regulatory and Other Long-Term Assets

164,201

144,671

Total Assets

855,016

784,502

CAPITALIZATION AND LIABILITIES

Common Stock Without Par Value: Authorized - 25,000,000 Shares - Issued and Outstanding: 2017 - 11,575,400; 2016 - 11,248,458

163,808

145,739

Retained Earnings (Accumulated Deficit)

96,975

91,213

Accumulated Other Comprehensive Loss

(735)

(924)

Common Stockholders' Equity

260,048

236,028

Preferred Stock

772

Long-Term Debt

205,351

197,047

Total Capitalization

466,171

433,847

Debt, Current

5,196

4,859

Interim Bank Loans Payable

43,632

32,953

Accounts Payable and Accrued Expenses

9,640

13,116

Accrued Interest

1,045

1,012

Customer Refund Liability, Current

239

855

Other Current Liabilities

2,856

2,330

Total Current Liabilities

62,608

55,125

Advances for Construction

21,433

19,127

Deferred Federal and State Income Taxes

51,838

50,558

Unfunded Future Income Taxes

96,524

90,977

Long-Term Compensation Arrangements

34,686

33,540

Unamortized Investment Tax Credits

1,151

1,189

Refund to Customers - Regulatory Liability

0

108

Other Long-Term Liabilities

4,647

5,074

Total Long-Term Liabilities

210,279

200,573

Contributions in Aid of Construction

115,958

94,957

Commitments and Contingencies

0

Total Capitalization and Liabilities

$ 855,016

$ 784,502

CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)

In Thousands, except Share data, unless otherwise specified

Jun. 30, 2017

Dec. 31, 2016

Issued

11,575,400

11,248,458

Outstanding

11,575,400

11,248,458

ASSETS

Allowance

$ 1,161

$ 1,100

Capitalization, Long-term Debt and Equity [Abstract]

Common Stock, No Par Value

$ 0

Common Stock, Shares Authorized

25,000,000

CONSOLIDATED STATEMENTS OF INCOME (USD $)

In Thousands, except Share data, unless otherwise specified

3 Months Ended

6 Months Ended

Jun. 30, 2017

Jun. 30, 2016

Jun. 30, 2017

Jun. 30, 2016

Operating Expenses

Operation and Maintenance

$ 11,626

$ 8,840

$ 22,862

$ 20,129

Depreciation

3,984

3,359

7,676

6,757

Income Taxes

(624)

589

(814)

982

Taxes Other Than Income Taxes

2,477

2,238

5,082

4,687

Total Operating Expenses

17,463

15,026

34,806

32,555

Net Operating Revenues

27,902

26,055

50,365

47,607

Net Regulated Operating Revenue

10,439

11,029

15,559

15,052

Other Utility Income, Net of Taxes

190

188

355

343

Total Utility Operating Income

10,629

11,217

15,914

15,395

Gain (Loss) on Disposition of Oil and Gas and Timber Property

33

0

Other Income (Deductions), Net of Taxes

Non-Water Sales Earnings

332

406

590

801

Allowance for Funds Used During Construction

231

289

567

521

Other

(744)

(283)

(753)

(315)

Total Other Income, Net of Taxes

(181)

412

437

1,007

Interest and Debt Expense

Interest on Long-Term Debt

2,106

1,830

4,167

3,566

Interest Income (Expense), Net

(111)

(174)

(371)

(316)

Amortization of Debt Expense

35

30

69

61

Total Interest and Debt Expense

2,030

1,686

3,865

3,311

Net Income

8,418

9,943

12,486

13,091

Preferred Stock Dividend Requirement

10

19

Net Income Applicable to Common Stock

$ 8,408

$ 9,933

$ 12,467

$ 13,072

Weighted Average Common Shares Outstanding:

Basic (in shares)

11,343,528

11,004,331

11,241,884

10,998,408

Diluted (in shares)

11,568,278

11,222,989

11,467,141

11,217,136

Earnings Per Common Share:

Basic (in dollars per share)

$ 0.75

$ 0.90

$ 1.11

$ 1.19

Diluted (in dollars per share)

$ 0.73

$ 0.89

$ 1.09

$ 1.17

Dividends Per Common Share (in dollars per share)

$ 0.2975

$ 0.2825

$ 0.5800

$ 0.5500

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)

In Thousands, unless otherwise specified

3 Months Ended

6 Months Ended

Jun. 30, 2017

Jun. 30, 2016

Jun. 30, 2017

Jun. 30, 2016

Statement of Comprehensive Income [Abstract]

Net Income

$ 8,418

$ 9,943

$ 12,486

$ 13,091

Other Comprehensive Income, net of tax

Reclassification to Pension and Post-Retirement Benefits Other Than Pension, net of tax (expense) of $(36) and $(27) for the three months ended June 30, 2017 and 2016, respectively, and $(61) and $(49) for the six months ended June 30, 2017 and 2017, respectively

57

43

96

78

Unrealized (loss) gain on investments, net of tax (expense) benefit of $(18) and $(2) for the three months ended June 30, 2017 and 2016, respectively, and $(59) and $8 for the six months ended June 30, 2017 and 2017, respectively

29

2

93

(13)

Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent

86

45

189

65

Comprehensive Income

$ 8,504

$ 9,988

$ 12,675

$ 13,156

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) (USD $)

In Thousands, unless otherwise specified

3 Months Ended

6 Months Ended

Jun. 30, 2017

Jun. 30, 2016

Jun. 30, 2017

Jun. 30, 2016

Other Comprehensive Income, net of tax

Reclassification to Pension and Post-Retirement Benefits Plans, net of tax (expense) benefit of

$ (36)

$ (27)

$ (61)

$ (49)

Unrealized Investment loss, net of tax expense of

$ (18)

$ (2)

$ (59)

$ 8

CONSOLIDATED STATEMENTS OF RETAINED EARNINGS (USD $)

In Thousands, unless otherwise specified

3 Months Ended

6 Months Ended

Jun. 30, 2017

Mar. 31, 2016

Jun. 30, 2017

Jun. 30, 2016

Balance at Beginning of Period

$ 92,007

$ 80,378

$ 91,213

$ 80,378

Net Income

8,418

9,943

12,486

13,091

Retained Earnings before Dividends

100,425

90,464

103,699

93,469

Dividends Declared:

Cumulative Preferred, Class A, $0.20 per share for the three months ended June 30, 2017 and 2016, respectively, and $0.40 per share for the six months ended June 30, 2017 and 2016, respectively

10

19

Common Stock - $0.2975 per share and $0.2825 per share for the three months ended June 30, 2017 and 2016, respectively, and $0.5800 per share and $0.5500 per share for the six months ended June 30, 2017 and 2016, respectively

3,440

3,170

6,705

6,166

Total Dividends Declared

3,450

3,180

6,724

6,185

Balance at End of Period

96,975

80,521

96,975

87,284

Series A Voting

Dividends Declared:

Cumulative Preferred, Class A, $0.20 per share for the three months ended June 30, 2017 and 2016, respectively, and $0.40 per share for the six months ended June 30, 2017 and 2016, respectively

3

6

Cumulative Preferred Stock

Dividends Declared:

Cumulative Preferred, Class A, $0.20 per share for the three months ended June 30, 2017 and 2016, respectively, and $0.40 per share for the six months ended June 30, 2017 and 2016, respectively

$ 7

$ 13

CONSOLIDATED STATEMENTS OF RETAINED EARNINGS (Parenthetical)

3 Months Ended

6 Months Ended

Jun. 30, 2017

Jun. 30, 2016

Jun. 30, 2017

Jun. 30, 2016

Dividends Declared:

Common Stock (in dollars per share)

$ 0.2975

$ 0.2825

$ 0.5800

$ 0.5500

Cumulative Preferred Stock

Dividends Declared:

Preferred Stock (in dollars per share)

$ 0.225

$ 0.450

Series A Voting

Dividends Declared:

Preferred Stock (in dollars per share)

$ 0.20

$ 0.40

CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)

In Thousands, unless otherwise specified

6 Months Ended

Jun. 30, 2017

Jun. 30, 2016

Proceeds from Sale of Land Held-for-investment

$ 212

$ 0

Net Additions to Utility Plant Used in Continuing Operations

24,438

28,627

Cash Acquired from Acquisition

1,336

0

Operating Activities:

Net Income

12,486

13,091

Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:

Deferred Revenues

(3,421)

(2,667)

Provision for Deferred Income Taxes and Investment Tax Credits, Net

(617)

2,125

Allowance for Funds Used During Construction

(566)

(521)

Depreciation (including $351 and $571 in 2017 and 2016, respectively, charged to other accounts)

8,027

7,328

Gain (Loss) on Sale of Properties

33

0

Change in Assets and Liabilities:

Increase in Accounts Receivable and Accrued Unbilled Revenues

(488)

(1,376)

Increase in Prepayments and Other Current Assets

(1,070)

(1,854)

(Increase) Decrease in Other Non-Current Items

2,369

(5,049)

Increase in Accounts Payable, Accrued Expenses and Other Current Liabilities

(2,027)

(1,613)

Total Adjustments

2,174

(3,627)

Net Cash and Cash Equivalents Provided by Operating Activities

14,660

9,464

Investing Activities:

Release of restricted cash

0

649

Net Cash and Cash Equivalents Used in Investing Activities

(22,890)

(27,978)

Financing Activities:

Proceeds from Interim Bank Loans

43,632

11,200

Repayment of Interim Bank Loans

(32,953)

(16,085)

Proceeds from the Issuance of Long-Term Debt

5,000

30,000

Proceeds from Issuance of Common Stock

692

852

Costs to Issue Long-Term Debt and Common Stock

(2)

(27)

Repayment of Long-Term Debt Including Current Portion

(1,104)

(1,021)

Advances from Others for Construction

819

192

Cash Dividends Paid

(6,724)

(6,185)

Net Cash and Cash Equivalents (Used in) Provided by Financing Activities

9,360

18,926

Net (Decrease) Increase in Cash and Cash Equivalents

1,130

412

Cash and Cash Equivalents at Beginning of Period

1,564

731

Cash and Cash Equivalents at End of Year

2,694

1,143

Non-Cash Investing and Financing Activities:

Non-Cash Contributed Utility Plant

2,278

558

Cash Paid for:

Interest

3,825

3,208

State and Federal Income Taxes

$ 362

$ 255

CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) (USD $)

In Thousands, unless otherwise specified

6 Months Ended

Jun. 30, 2017

Jun. 30, 2016

Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:

Depreciation charged to other accounts

$ 351

$ 571

Basis of Preparation of Financials

Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]


1.	Basis of Preparation of Financials

The condensed consolidated financial statements included herein have been prepared by Connecticut Water Service, Inc. (the “Company”) and its wholly-owned subsidiaries, pursuant to the rules and regulations of the Securities and Exchange Commission and reflect all adjustments that are of a normal recurring nature which are, in the opinion of management, necessary to a fair statement of the results for interim periods. Certain information and footnote disclosures have been omitted pursuant to such rules and regulations, although the Company believes that the disclosures are adequate to make the information presented not misleading. The Company’s primary operating subsidiaries are: The Connecticut Water Company (“Connecticut Water”) and The Heritage Village Water Company (“HVWC”) in the State of Connecticut and The Maine Water Company (“Maine Water”) in the State of Maine. The Condensed Consolidated Balance Sheet at December 31, 2016 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by accounting principles generally accepted in the United States of America for complete financial statements. It is suggested that these condensed consolidated financial statements be read in conjunction with the financial statements and the notes thereto included in the Company’s latest Annual Report on Form 10-K for the fiscal year ended December 31, 2016 (the “10-K”) and as updated in the Company’s Quarterly Report on Form 10-Q for the period ending March 31, 2017.

The results for interim periods are not necessarily indicative of results to be expected for the year since the consolidated earnings are subject to seasonal factors. Effective February 27, 2017, the Company acquired HVWC, discussed further in Note 11 below. As a result, the Company’s Condensed Consolidated Balance Sheet at December 31, 2016, the Condensed Consolidated Statements of Net Income, Condensed Consolidated Statements of Comprehensive Income, Condensed Consolidated Statements of Retained Earnings for the three and six months ended June 30, 2016 and Condensed Consolidated Statements of Cash Flows for the six months ended June 30, 2016 do not include HVWC. The Condensed Consolidated Statements of Net Income, Condensed Consolidated Statements of Comprehensive Income, Condensed Consolidated Statements Retained Earnings for the three months ended June 30, 2017 and the Condensed Consolidated Statements of Net Income, Condensed Consolidated Statements of Comprehensive Income, Condensed Consolidated Statements of Retained Earnings and the Condensed Consolidated Statements of Cash Flows for the six months ended June 30, 2017 do include HVWC’s results for the approximate four months the Company owned HVWC during the period. HVWC’s assets and liabilities are included in the Condensed Consolidated Balance Sheet as of June 30, 2017.

As noted in Note 11 below, HVWC serves approximately 4,700 water customers in the Towns of Southbury, Middlebury, and Oxford, Connecticut and approximately 3,000 wastewater customers in the Town of Southbury, Connecticut. The results of the wastewater line of business are included in the Company’s Water Operations segment.

During the preparation of the Condensed Consolidated Financial Statements for the quarter ended June 30, 2016, the Company identified two errors related to the accounting treatment of stock based performance awards granted to officers of the Company. First, the Company had mistakenly classified all stock based performance awards as equity awards and, secondly, incorrectly marked those awards to the market price of the Company’s common stock price at the end of each reporting period. A portion of these awards should have been classified as liability awards and only those awards should have been marked-to-market based on the Company’s common stock price. During the second quarter of 2016, the Company reversed all of the incorrectly recorded mark-to-market expense as a cumulative out-of-period adjustment resulting in a one-time benefit of approximately $2.6 million on the Operation and Maintenance line item on its Condensed Consolidated Statements of Income for the three and six months ended June 30, 2016. Approximately $1.6 million of the out of period adjustment pertained to years prior to 2016, with the remaining $1.0 million related to the first quarter of 2016. Additionally, the Company decreased its Common Stock Without Par Value and increased its Long-Term Compensation Arrangement line items on the Condensed Consolidated Balance Sheet as of June 30, 2016 by approximately $0.6 million to reflect both the awards that should have been classified as liability awards and their corresponding mark-to-market adjustments.

Regulatory Matters

The rates we charge our water customers in Connecticut and Maine are established under the jurisdiction of and are approved by the Connecticut Public Utilities Regulatory Authority (“PURA”) and the Maine Public Utilities Commission (“MPUC”), respectively. It is our policy to seek rate relief as necessary to enable us to achieve an adequate rate of return. Connecticut Water’s allowed return on equity and return on rate base, effective June 30, 2017, were 9.75% and 7.32%, respectively. HVWC’s blended water and wastewater allowed return on equity and return on rate base, effective June 30, 2017, were 10.10% and 7.19%, respectively. Maine Water’s average allowed return on equity and return on rate base, effective June 30, 2017, were 9.50% and 7.96%, respectively. The PURA establishes rates in Connecticut on a company-wide basis while the MPUC approves Maine Water’s rates on a division-by-division basis. Each of Connecticut Water, HVWC and Maine Water are allowed to add surcharges to customers’ bills in order to recover certain approved capital projects in between full rate cases, as well as approved surcharges for Water Revenue Adjustments, as discussed in more detail below, in Connecticut. HVWC has not added surcharges to customers’ bills in order to recover certain approved capital projects as of March 31, 2017, however, HVWC has begun to utilize Water Revenue Adjustments as of March 31, 2017.

Maine Water Land Sale

On March 11, 2016, Maine Water entered into a purchase and sale agreement with the Coastal Mountains Land Trust, a Maine nonprofit corporation (the “Land Trust”) pursuant to which Maine Water agreed to sell two conservation easements to the Land Trust on approximately 1,300 acres of land located in the towns of Rockport, Camden and Hope, in Knox County, Maine valued in the aggregate at $3.1 million. The land had a book value of approximately $600,000 at June 30, 2017 and December 31, 2016 and is included in “Utility Plant” on the Company’s “Condensed Consolidated Balance Sheets”. The easements and purchase prices are as follows:

1.Ragged Mountain Mirror Lake Conservation Easement: $1,875,000; and

2.Grassy Pond conservation Easement: $600,000.

The two easement sale and donation transactions are expected to close no later than December 31, 2017 and December 31, 2019, respectively. Maine Water will make a $200,000 contribution to the Land Trust upon completion of the closing of the first easement sale. Maine Water also expects to claim a charitable deduction for the $600,000 in excess of the fair market value of the second easement over the $600,000 sale price.

Connecticut Rates

Connecticut Water’s Water Infrastructure Conservation Adjustment (“WICA”) was 8.25% and 3.04% at June 30, 2017 and 2016, respectively. On July 26, 2017, Connecticut Water filed a WICA application with the PURA requesting a 1.56% surcharge to customers’ bills, representing approximately $8.2 million in WICA related projects. If approved as filed, Connecticut Water’s cumulative WICA surcharge will be 9.81%, effective October 1, 2017. As of June 30, 2017, HVWC has not filed for a WICA surcharge.

Since 2013, Connecticut law has authorized a Water Revenue Adjustment (“WRA”) to reconcile actual water demands with the demands projected in the last general rate case and allows companies to adjust rates as necessary to recover the revenues approved by PURA in the last general rate case. The WRA removes the financial disincentive for water utilities to develop and implement effective water conservation programs. The WRA allows water companies to defer on the balance sheet, as a regulatory asset or liability, for later collection from or crediting to customers the amount by which actual revenues deviate from the revenues allowed in the most recent general rate proceedings, including WICA proceedings. Additionally, projects eligible for WICA surcharges were expanded to include energy conservation projects, improvements required to comply with streamflow regulations, and improvements to acquired systems.

Connecticut Water and HVWC’s allowed revenues for the six months ended June 30, 2017, as approved by PURA during each company’s most recent general rate case and including subsequently approved WICA surcharges, are approximately $38.9 million. Through normal billing for the six months ended June 30, 2017, revenue for Connecticut Water and HVWC would have been approximately $35.3 million had the WRA not been implemented. As a result of the implementation of the WRA, Connecticut Water and HVWC recorded $3.6 million in additional revenue for the six months ended June 30, 2017.

Maine Rates

In Maine, the overall, cumulative Water Infrastructure Charge (“WISC”) for all divisions was 5.66% and 4.08% as of June 30, 2017 and 2016, respectively.

On June 29, 2017, Maine Water filed for a rate increase in its Biddeford and Saco division. The rate request is for an approximate $1.6 million, or 25.1%, increase in revenues. The rate request is to recover higher operating expenses, depreciation and property taxes since Biddeford and Saco’s last rate increase in 2015. The Company expects a final decision to be issued by the MPUC in the fourth quarter of 2017 with new rates to be effective as of January 1, 2018.

A water revenue adjustment mechanism law in Maine became available to regulated water utilities in Maine on October 15, 2015. Maine Water is currently precluded from seeking new rates outside of the Biddeford and Saco division due to various agreements with the MPUC, but is evaluating how and when this new mechanism can be implemented.

Pension and Other Post-Retirement Benefits


2.	Pension and Other Post-Retirement Benefits

The following tables set forth the components of pension and other post-retirement benefit costs for the three and six months ended June 30, 2017 and 2016.

Pension Benefits

Components of Net Periodic Cost (in thousands):



	Three Months						Six Months
Period ended June 30,	2017			2016			2017			2016
Service Cost	$	450		$	426		$	964		$	947
Interest Cost	806			812			1,600			1,606
Expected Return on Plan Assets	(1,044		)	(1,061		)	(2,145		)	(2,040		)
Amortization of:
Prior Service Cost	4			4			8			8
Net Recognized Loss	486			514			1,031			1,025
Net Periodic Benefit Cost	$	702		$	695		$	1,458		$	1,546

The Company anticipates making a total contribution of approximately $2,971,000 in 2017 for the 2016 plan year by September 30, 2017.

Post-Retirement Benefits Other Than Pension (PBOP)

Components of Net Periodic Cost (in thousands):



	Three Months						Six Months
Period ended June 30,	2017			2016			2017			2016
Service Cost	$	74		$	85		$	167		$	188
Interest Cost	123			135			256			271
Expected Return on Plan Assets	(89		)	(85		)	(177		)	(170		)
Other	56			56			112			112
Amortization of:
Prior Service Credit	(45		)	(100		)	(90		)	(200		)
Recognized Net Loss	(31		)	11			(40		)	19
Net Periodic Benefit Cost	$	88		$	102		$	228		$	220

Earnings per Share


3.	Earnings per Share

Earnings per weighted average common share are calculated by dividing net income applicable to common stock by the weighted average number of shares of common stock outstanding during the respective periods as detailed below (diluted shares include the effect of stock awards):



Three months ended June 30,	2017			2016
Common Shares Outstanding End of Period	11,575,400			11,231,037
Weighted Average Shares Outstanding (Days Outstanding Basis):
Basic	11,343,528			11,004,331
Diluted	11,568,278			11,222,989

Basic Earnings per Share	$	0.75		$	0.90
Dilutive Effect of Stock Awards	(0.02		)	(0.01		)
Diluted Earnings per Share	$	0.73		$	0.89

Six months ended June 30,
Weighted Average Shares Outstanding (Days Outstanding Basis):
Basic	11,241,884			10,998,408
Diluted	11,467,141			11,217,136

Basic Earnings per Share	$	1.11		$	1.19
Dilutive Effect of Stock Awards	(0.02		)	(0.02		)
Diluted Earnings per Share	$	1.09		$	1.17

Total unrecognized compensation expense for all stock awards was approximately $0.6 million as of June 30, 2017 and will be recognized over a weighted average period of 1.4 years.

New Accounting Pronouncements

Recently Adopted and New Accounting Pronouncements


4.	Recently Adopted and New Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2014-09, “Revenue from Contracts with Customers,” (“No. 2014-09”) which amends its guidance related to revenue recognition. ASU No. 2014-09 requires an entity to recognize revenue as performance obligations are met, in order to reflect the transfer of promised goods or services to customers in an amount that reflects the consideration the entity is entitled to receive for those goods or services. The following steps are applied in the updated guidance: (1) identify the contract(s) with a customer; (2) identify the performance obligations in the contract; (3) determine the transaction price; (4) allocate the transaction price to the performance obligations in the contract; and (5) recognize revenue when, or as, the entity satisfies a performance obligation. ASU No. 2014-09 is effective for public companies for fiscal years, and interim periods within those years, beginning after December 15, 2016, and can be adopted either retrospectively to each prior reporting period presented or as a cumulative-effect adjustment as of the date of adoption, however early adoption is not permitted. On April 1, 2015, the FASB voted for a one-year deferral of the effective date of ASU No. 2014-09, making ASU No. 2014-09 effective for public companies for fiscal years, and interim periods within those years, beginning after December 15, 2017. The Company continues to assess all potential impacts of adopting ASU No. 2014-09, however it does not believe the new standard will have an impact on the Company’s revenues from water and wastewater customers. In instances where operating contracts contain more than one distinct good or service, as defined by ASU No. 2014-09, the new standard may affect the timing of when the Company recognizes the related revenue. The Company additionally continues to assess the impact ASU No. 2014-09 will have on the Company’s accounting surrounding Contributions in Aid of Construction. The Company will complete its assessment of the expected impact of adoption, including selecting a transition method for adoption, in 2017, and continue to evaluate ASU No. 2014-09 through the date of adoption.

In July 2015, the FASB issued ASU 2015-11, “Inventory (Topic 330): Simplifying the Measurement of Inventory,” (“ASU No. 2015-11”) which applies to inventory that is measured using first-in, first-out (“FIFO”) or average cost. Under the updated guidance, an entity should measure inventory that is within scope at the lower of cost or net realizable value, which is the estimated selling price in the ordinary course of business, less reasonably predictable costs of completion, disposal and transportation. Subsequent measurement is unchanged under the updated guidance for inventory that is measured using last-in, last-out (“LIFO”). This ASU is effective for annual and interim periods beginning after December 15, 2016, and should be applied prospectively with early adoption permitted at the beginning of an interim or annual reporting period. The Company uses average cost to value its inventory and, therefore, ASU No. 2015-11 did not have an impact on the Company.

In February 2016, the FASB issued ASU No. 2016-02, “Leases (Topic 842)”, (“ASU No. 2016-02”), which will require lessees to recognize the following for all leases at the commencement date of a lease: a) a lease liability, which is a lessee’s obligation to make lease payments arising from a lease, measured on a discounted basis; and b) a right-of-use asset, which is an asset that represents the lessee’s right to use, or control the use of, a specified asset for the lease term. Public business entities should apply the amendments in ASU No. 2016-02 for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Early application is permitted for all public business entities and all nonpublic business entities upon issuance. Lessees (for capital and operating leases) and lessors (for sales-type, direct financing, and operating leases) must apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. The modified retrospective approach would not require any transition accounting for leases that expired before the earliest comparative period presented. Lessees and lessors may not apply a full retrospective transition approach. The Company is currently assessing the impact of this standard on its consolidated financial statements and footnote disclosures, but does not expect that the adoption of this guidance will materially impact our consolidated financial position.

In August 2016, the FASB issued ASU No. 2016-15, “Classification of Certain Cash Receipts and Cash Payments” (“ASU No. 2016-15”). The amendments ASU No. 2016-15 clarify the classification for eight different types of activities, including debt prepayment and extinguishment costs, proceeds from insurance claims and distributions from equity method investees. For public business entities, ASU No. 2016-15 is effective for financial statements issued for fiscal years beginning after December 15, 2017. The Company is currently assessing the impact of this standard on its Consolidated Statements of Cash Flows, but does not expect that the adoption of this guidance will materially impact our consolidated financial position or results of operation.

In March 2017, the FASB issued ASU 2017-07, "Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost," (“ASU 2017-07”) which amends the requirements related to the income statement presentation of the components of net periodic benefit cost for employer sponsored defined benefit pension and other postretirement benefit plans. Under ASU 2017-07, an entity must disaggregate and present the service cost component of net periodic benefit cost in the same income statement line item as other employee compensation costs arising from services rendered during the period, and only the service cost component will be eligible for capitalization. Other components of net periodic benefit cost will be presented separately from the line item that includes the service cost. The new standard is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2017. Early adoption is permitted at the beginning of an annual period in which the financial statements have not been issued. Entities must use a retrospective transition method to adopt the requirement for separate presentation of the income statement service cost and other components, and a prospective transition method to adopt the requirement to limit the capitalization of benefit cost to the service component. The Company is currently evaluating the impact of adopting this guidance.

Accumulated Other Comprehensive Income (Loss) (Notes)

Comprehensive Income (Loss) Note [Text Block]


5.	Accumulated Other Comprehensive Income

The changes in Accumulated Other Comprehensive Income (Loss) (“AOCI”) by component, net of tax, for the three months ended June 30, 2017 and 2016 are as follows (in thousands):



Three months ended June 30, 2017	Unrealized Gains on Investments			Defined Benefit Items			Total
Beginning Balance (a)	$	299		$	(1,120	)	$	(821	)
Other Comprehensive Income Before Reclassification	21			—			21
Amounts Reclassified from AOCI	8			57			65
Net current-period Other Comprehensive Income	29			57			86
Ending Balance	$	328		$	(1,063	)	$	(735	)

Three months ended June 30, 2016	Unrealized Gains on Investments			Defined Benefit Items			Total
Beginning Balance (a)	$	185		$	(1,100	)	$	(915	)
Other Comprehensive (Loss) Income Before Reclassification	(8		)	—			(8		)
Amounts Reclassified from AOCI	10			43			53
Net current-period Other Comprehensive (Loss) Income	2			43			45
Ending Balance	$	187		$	(1,057	)	$	(870	)

Six months ended June 30, 2017	Unrealized Gains on Investments			Defined Benefit Items			Total
Beginning Balance (a)	$	235		$	(1,159	)	$	(924	)
Other Comprehensive Income Before Reclassification	85			—			85
Amounts Reclassified from AOCI	8			96			104
Net current-period Other Comprehensive Income	93			96			189
Ending Balance	$	328		$	(1,063	)	$	(735	)

Six months ended June 30, 2016	Unrealized Gains on Investments			Defined Benefit Items			Total
Beginning Balance (a)	$	200		$	(1,135	)	$	(935	)
Other Comprehensive (Loss) Income Before Reclassification	(23		)	—			(23		)
Amounts Reclassified from AOCI	10			78			88
Net current-period Other Comprehensive (Loss) Income	(13		)	78			65
Ending Balance	$	187		$	(1,057	)	$	(870	)

(a) All amounts shown are net of tax. Amounts in parentheses indicate loss.

The following table sets forth the amounts reclassified from AOCI by component and the affected line item on the Condensed Consolidated Statements of Income for the three months ended June 30, 2017 and 2016 (in thousands):



Details about Other AOCI Components	Amounts Reclassified from AOCI Three Months Ended June 30, 2017(a)			Amounts Reclassified from AOCI Three Months Ended June 30, 2016(a)			Affected Line Items on Income Statement
Realized Gains on Investments	$	13		$	17		Other Income
Tax expense	(5		)	(7		)	Other Income
	8			10

Amortization of Recognized Net Gain from Defined Benefit Items	93			71			Other Income (b)
Tax expense	(36		)	(28		)	Other Income
	57			43

Total Reclassifications for the period, net of tax	$	65		$	53

Details about Other AOCI Components	Amounts Reclassified from AOCI Six Months Ended June 30, 2017(a)			Amounts Reclassified from AOCI Six Months Ended June 30, 2016(a)			Affected Line Items on Income Statement
Realized Gains on Investments	$	13		$	17		Other Income
Tax expense	(5		)	(7		)	Other Income
	8			10

Amortization of Recognized Net Gain from Defined Benefit Items	157			128			Other Income (b)
Tax expense	(61		)	(50		)	Other Income
	96			78

Total Reclassifications for the period, net of tax	$	104		$	88

(a) Amounts in parentheses indicate loss/expense.
(b) Included in computation of net periodic pension cost (see Note 2 for additional details).

Long-Term Debt


	Long-Term Debt

Long-Term Debt at June 30, 2017 and December 31, 2016 consisted of the following (in thousands):



		2017			2016
Connecticut Water Service, Inc.:
4.09%	Term Loan Note	$	12,903		$	13,437
The Connecticut Water Company:
Var.	2004 Series Variable Rate, Due 2029	12,500			12,500
Var.	2004 Series A, Due 2028	5,000			5,000
Var.	2004 Series B, Due 2028	4,550			4,550
5.00%	2011 A Series, Due 2021	23,051			23,115
3.16%	CoBank Note Payable, Due 2020	8,000			8,000
3.51%	CoBank Note Payable, Due 2022	14,795			14,795
4.29%	CoBank Note Payable, Due 2028	17,020			17,020
4.72%	CoBank Note Payable, Due 2032	14,795			14,795
4.75%	CoBank Note Payable, Due 2033	14,550			14,550
4.36%	CoBank Note Payable, Due May 2036	30,000			30,000
4.04%	CoBank Note Payable, Due July 2036	19,930			19,930
Total The Connecticut Water Company		164,191			164,255
The Heritage Village Water Company
4.75%	2011 Farmington Bank Loan, Due 2034	4,543			—
The Maine Water Company:
8.95%	1994 Series G, Due 2024	7,200			7,200
2.68%	1999 Series J, Due 2019	170			254
0.00%	2001 Series K, Due 2031	574			615
2.58%	2002 Series L, Due 2022	60			67
1.53%	2003 Series M, Due 2023	321			341
1.73%	2004 Series N, Due 2024	371			371
0.00%	2004 Series O, Due 2034	113			120
1.76%	2006 Series P, Due 2026	361			391
1.57%	2009 Series R, Due 2029	207			217
0.00%	2009 Series S, Due 2029	560			583
0.00%	2009 Series T, Due 2029	1,572			1,634
0.00%	2012 Series U, Due 2042	148			154
1.00%	2013 Series V, Due 2033	1,310			1,335
2.52%	CoBank Note Payable, Due 2017	1,965			1,965
4.24%	CoBank Note Payable, Due 2024	4,500			4,500
4.18%	CoBank Note Payable, Due 2026	5,000			—
7.72%	Series L, Due 2018	2,250			2,250
2.40%	Series N, Due 2022	1,026			1,101
1.86%	Series O, Due 2025	790			790
2.23%	Series P, Due 2028	1,264			1,294
0.01%	Series Q, Due 2035	1,678			1,771
1.00%	Series R, Due 2025	2,250			2,250
Various	Various Capital Leases	5			8
Total The Maine Water Company		33,695			29,211
Add: Acquisition Fair Value Adjustment		255			321
Less: Current Portion		(5,196		)	(4,859		)
Less: Unamortized Debt Issuance Expense		(5,040		)	(5,318		)
Total Long-Term Debt		$	205,351		$	197,047

There are no mandatory sinking fund payments required on Connecticut Water’s outstanding bonds. However, certain fixed rate Unsecured Water Facilities Revenue Refinancing Bonds provide for an estate redemption right whereby the estate of deceased bondholders or surviving joint owners may submit bonds to the trustee for redemption at par, subject to a $25,000 per individual holder and a 3% annual aggregate limitation.

In April 2016, Connecticut Water filed an application with PURA to issue promissory notes in the aggregate principal amount of up to $49,930,000 with CoBank, ACB (“CoBank”) under its existing Master Loan Agreement by and between Connecticut Water and CoBank dated October 29, 2012, in order for Connecticut Water to redeem its $19,930,000 2009A Series of outstanding Water Facility Revenue Bonds previously issued by the Connecticut Development Authority (the “2009A Bonds”) and to provide $30,000,000 to partially fund its ongoing construction program. On June 1, 2016, Connecticut Water issued $30,000,000, at 4.36%, in debt under its existing Master Loan Agreement with CoBank, with a maturity date of May 20, 2036. On July 7, 2016, Connecticut Water issued $19,930,000, at 4.04%, in debt under its existing Master Loan Agreement with CoBank, with a maturity date of July 7, 2036. Connecticut Water used the proceeds to immediately pay off the $19,930,000 2009A Series of outstanding Water Facility Revenue Bonds.

On January 10, 2017, Maine Water executed and delivered to CoBank a new Promissory Note and Single Advance Term Loan Supplement, dated January 10, 2017 (the “Third Promissory Note”). On the terms and subject to the conditions set forth in the Third Promissory Note issued pursuant to the Agreement, CoBank agreed to make an unsecured loan (the “Loan”) to Maine Water in the principal amount of $5,000,000 at 4.18%, due December 30, 2026. The proceeds of the Loan will be used to finance new capital expenditures and refinance existing debt owed to the Company, incurred in connection with general water system improvements.

On July 20, 2017, Connecticut Water filed an application with PURA to issue up to $35,000,000 in unsecured notes during the second half of 2017. Connecticut Water intends to use the $35,000,000 principal to repay amounts owed to the Company and to fund capital expenditures associated with the Connecticut Water’s ongoing construction program. The notes will be callable in whole or in part, subject to payment of a make-whole amount. The notes will have a bullet payment of the full principal amount due at maturity, unless they are prepaid in whole or in part prior to that maturity. Additionally, the notes will have fixed interest rates which will be based on current market rate at the time of the closing.

During the first six months of 2017, the Company paid approximately $534,000 related to Connecticut Water Service’s Term Note Payable issued as part of the 2012 acquisition of Maine Water, approximately $516,000 in sinking funds related to Maine Water’s outstanding bonds and approximately $54,000 in sinking funds related to HVWC’s bank loan.

Financial Covenants – The Company and its subsidiaries are required to comply with certain covenants in connection with various long term loan agreements. The most restrictive of these covenants is to maintain a consolidated debt to capitalization ratio of not more than 60%. Additionally, Maine Water has restrictions on cash dividends paid based on restricted net assets. The Company and its subsidiaries were in compliance with all covenants at June 30, 2017.

Fair Value Disclosures


	Fair Value Disclosures

FASB Accounting Standards Codification (“ASC”) 820, Fair Value Measurements and Disclosures (“FASB ASC 820”) provides enhanced guidance for using fair value to measure assets and liabilities and expands disclosure with respect to fair value measurements.

FASB ASC 820 establishes a fair value hierarchy that distinguishes between assumptions based on market data (observable inputs) and the Company’s assumptions (unobservable inputs). The hierarchy consists of three broad levels, as follows:

Level 1 – Quoted market prices in active markets for identical assets or liabilities.

Level 2 – Inputs other than Level 1 that are either directly or indirectly observable.

Level 3 – Unobservable inputs developed using the Company’s estimates and assumptions, which reflect those that the Company believes market participants would use.

The following table summarizes our financial instruments measured at fair value on a recurring basis within the fair value hierarchy as of June 30, 2017 (in thousands):



	Level 1		Level 2		Level 3		Total
Asset Type:
Money Market Fund	$	35	$	—	$	—	$	35
Mutual Funds:
Equity Funds (1)	1,787		—		—		1,787
Fixed Income Funds (2)	550		—		—		550
Total	$	2,372	$	—	$	—	$	2,372

The following table summarizes our financial instruments measured at fair value on a recurring basis within the fair value hierarchy as of December 31, 2016 (in thousands):



	Level 1		Level 2		Level 3		Total
Asset Type:
Money Market Fund	$	122	$	—	$	—	$	122
Mutual Funds:
Equity Funds (1)	1,662		—		—		1,662
Fixed Income Funds (2)	534		—		—		534
Total	$	2,318	$	—	$	—	$	2,318


(1)	Mutual funds consist primarily of equity securities and are presented on the Other Property and Investments line item of the Company’s Condensed Consolidated Balance Sheets.


(2)	Mutual funds consist primarily of fixed income securities and are presented on the Other Property and Investments line item of the Company’s Condensed Consolidated Balance Sheets.

The fair value of Company Owned Life Insurance is based on the cash surrender value of the contracts. These contracts are based principally on a referenced pool of investment funds that actively redeem shares and are observable and measurable and are presented on the Other Property and Investments line item of the Company’s Condensed Consolidated Balance Sheets.

The following methods and assumptions were used to estimate the fair value of each of the following financial instruments, which are not recorded at fair value on the financial statements.

Cash and cash equivalents – Cash equivalents consist of highly liquid instruments with original maturities at the time of purchase of three months or less. The carrying amount approximates fair value. Under the fair value hierarchy the fair value of cash and cash equivalents is classified as a Level 1 measurement.

Company Owned Life Insurance – The fair value of Company Owned Life Insurance is based on the cash surrender value of the contracts. These contracts are based principally on a referenced pool of investment funds that actively redeem shares and are observable and measurable and are presented on the “Other Property and Investments” line item of the Company’s Consolidated Balance Sheets. The value of Company Owned Life Insurance at June 30, 2017 and December 31, 2016 was $3,259,000 and $3,075,000, respectively.

Long-Term Debt – The fair value of the Company’s fixed rate long-term debt is based upon borrowing rates currently available to the Company. As of June 30, 2017 and December 31, 2016, the estimated fair value of the Company’s long-term debt was $223,119,000 and $210,463,000, respectively, as compared to the carrying amounts of $210,391,000 and $202,365,000, respectively. The estimated fair value of long term debt was calculated using a discounted cash flow model that uses comparable interest rates and yield curve data based on the A-rated MMD (Municipal Market Data) Index which is a benchmark of current municipal bond yields. Under the fair value hierarchy, the fair value of long term debt is classified as a Level 2 measurement.

Advances for Construction – Customer advances for construction had a carrying amount of $21,433,000 and $19,127,000 at June 30, 2017 and December 31, 2016, respectively. Their relative fair values cannot be accurately estimated since future refund payments depend on several variables, including new customer connections, customer consumption levels and future rate increases.

The fair values shown above have been reported to meet the disclosure requirements of FASB ASC 825, “Financial Instruments” (“FASB ASC 825”) and do not purport to represent the amounts at which those obligations would be settled.

Segment Reporting


	Segment Reporting

The Company operates principally in three business segments: Water Operations, Real Estate Transactions, and Services and Rentals. Financial data for the segments is as follows (in thousands):



Three months ended June 30, 2017
Segment	Revenues		Pre-Tax Income		Income Tax Expense(Benefit)			Net Income
Water Operations	$	28,220	$	7,117	$	(969	)	$	8,086
Real Estate Transactions	—		—		—			—
Services and Rentals	1,279		505		173			332
Total	$	29,499	$	7,622	$	(796	)	$	8,418



Three months ended June 30, 2016
Segment	Revenues		Pre-Tax Income		Income Tax Expense		Net Income
Water Operations	$	26,376	$	10,173	$	636	$	9,537
Real Estate Transactions	—		—		—		—
Services and Rentals	1,212		563		157		406
Total	$	27,588	$	10,736	$	793	$	9,943



Six months ended June 30, 2017
Segment	Revenues		Pre-Tax Income		Income Tax Expense(Benefit)			Net Income
Water Operations	$	51,006	$	10,612	$	(1,251	)	$	11,863
Real Estate Transactions	212		55		22			33
Services and Rentals	2,489		996		406			590
Total	$	53,707	$	11,663	$	(823	)	$	12,486



Six months ended June 30, 2016
Segment	Revenues		Pre-Tax Income		Income Tax Expense		Net Income
Water Operations	$	48,231	$	13,123	$	833	$	12,290
Real Estate Transactions	—		—		—		—
Services and Rentals	2,443		1,100		299		801
Total	$	50,674	$	14,223	$	1,132	$	13,091

The revenues shown in Water Operations above consisted of revenues from water customers of $27,370,000 and $26,055,000 for the three months ended June 30, 2017 and 2016, respectively, and wastewater revenues of $532,000 for the three months ended June 30, 2017. There were no wastewater revenues in 2016. Additionally, there were revenues associated with utility plant leased to others of $318,000 and $321,000 for the three months ended June 30, 2017 and 2016, respectively. The revenues from water and wastewater customers for the three months ended June 30, 2017 and 2016 include $2,980,000 and $2,386,000 in additional revenues related to the application of the WRA, respectively. The revenues shown in Water Operations above consisted of revenues from water customers of $49,644,000 and $47,607,000 for the six months ended June 30, 2017 and 2016, respectively, and wastewater revenues of $721,000 for the six months ended June 30, 2017. There were no wastewater revenues in 2016. Additionally, there were revenues associated with utility plant leased to others of $641,000 and $624,000 for the six months ended June 30, 2017 and 2016, respectively. The revenues from water and wastewater customers for the six months ended June 30, 2017 and 2016 include $3,553,000 and $2,786,000 in additional revenues related to the application of the WRA, respectively.

The Company owns various small, discrete parcels of land that are no longer required for water supply purposes. From time to time, the Company may sell or donate these parcels, depending on various factors, including the current market for land, the amount of tax benefits received for donations and the Company’s ability to use any benefits received from donations.

Assets by segment (in thousands):



	June 30, 2017		December 31, 2016
Total Plant and Other Investments:
Water Operations	$	656,556	$	609,508
Non-Water	1,026		959
	657,582		610,467
Other Assets:
Water Operations	194,609		171,674
Non-Water	2,825		2,361
	197,434		174,035
Total Assets	$	855,016	$	784,502

Income Tax Expense

Income Taxes


	Income Taxes

FASB ASC 740 Income Taxes (“FASB ASC 740”) addresses the determination of how tax benefits claimed or expected to be claimed on a tax return should be recorded in the financial statements. Under FASB ASC 740, the Company must recognize the tax benefit from an uncertain tax position only if it is more likely than not that the tax position will be sustained on examination by the taxing authorities, based on the technical merits of the position. The tax benefits recognized in the financial statements from such a position are measured based on the largest benefit that has a greater than 50% likelihood of being realized upon ultimate resolution.

The Company adopted the Internal Revenue Service (“IRS”) temporary tangible property regulations on the Company’s 2012 Federal tax return. Since that time, the Company has been recording a provision for any possible disallowance of a portion of the repair deduction if the deductions were unable to be sustained on audit by the IRS. While the Company believes that the deductions taken on its tax returns are appropriate, the methodology for determining the deduction has not been agreed to by the taxing authorities. During the Company’s review of the position through the quarter ended March 31, 2017, new information caused management to reassess the previously recorded provision. This reassessment resulted in the reversal of a portion of the provision related to the Maine subsidiary, in the amount of $1,164,000 in the first quarter of 2017. During the Company’s review of its position through the quarter ended June 30, 2017, the impact of new information on Connecticut Water caused management to reassess the previously recorded provision. The reassessment resulted in the reversal of a portion of the provision in the amount of $2,445,000. For the six months ended June 30, 2017, the Company has recorded, as required by FASB ASC 740, a provision of $725,000 for a portion of the benefit that is not being returned to customers resulting from any possible tax authority challenge. The Company had previously recorded a provision of $9.4 million in the prior year for a cumulative total of $6.6 million.

From time to time, the Company may be assessed interest and penalties by taxing authorities. In those cases, the charges would appear on the Other line item within the Other Income (Deductions), Net of Taxes section of the Company’s Condensed Consolidated Statements of Income. There were no such charges for the six months ended June 30, 2017 and 2016. Additionally, there were no accruals relating to interest or penalties as of June 30, 2017 and December 31, 2016. The Company remains subject to examination by federal tax authorities for the 2013 through 2015 tax years; the State of Maine’s tax authorities for the 2013 through 2015 tax years; and the State of Connecticut’s tax authorities for the 2014 and 2015 tax years.

The Company is currently engaged in an analysis to determine the amount of expenditures related to tangible property that will be reflected on its 2017 Federal Tax Return to be filed in September 2018. As a result, through the second quarter of 2017, the Company has estimated the portion of its infrastructure investment that will qualify as a repair deduction for 2017 and has reflected that deduction in its effective tax rate, net of any reserves. Consistent with other differences between book and tax expenditures, the Company is required to use the flow-through method to account for any timing differences not required by the IRS to be normalized.

The Company’s effective income tax rate for the three months ended June 30, 2017 and 2016 was (10.5)% and 7.4%, respectively. The Company’s effective tax rate, excluding discrete items recorded during the three months ended June 30, 2017 and 2016, was 16.2% and 5.2%, respectively. In 2017, these discrete items include adjustments related to uncertain tax positions for the repair deduction in Connecticut. In 2016, these discrete items include adjustments related to uncertain tax positions for the repair deduction in both Connecticut and Maine and a change in estimate of prior year tax expense. Excluding discrete items, there is an increase in the effective tax rate year over year for the three month period of approximately 11%. The increase in the effective tax rate for this period can be attributed to a lower estimated repair deduction and a lower tax deductible pension contribution in 2017 than in 2016. The Company’s effective income tax rate for the six months ended June 30, 2017 and 2016 was (7.1)% and 8.0%, respectively. The Company’s effective tax rate, excluding discrete items recorded during the three months ended June 30, 2017 and 2016, was 17.7% and 3.4%, respectively. In 2017, these discrete items include adjustments related to uncertain tax positions for the repair deduction in both Connecticut and Maine. The blended Federal and State statutory income tax rates during each period were 41%. In 2016, these discrete items include adjustments related to uncertain tax positions for the repair deduction in both Connecticut and Maine and a change in estimate of prior year tax expense. Excluding discrete items, there is an increase in the effective tax rate year over year for the six month period of approximately 14%. The increase in the effective tax rate for this period can be attributed to a lower estimated repair deduction and a lower tax deductible pension contribution in 2017 than in 2016. The blended Federal and State statutory income tax rates during each period were 41%. In determining its annual estimated effective tax rate for interim periods, the Company reflects its estimated permanent and flow-through tax differences for the taxable year, including the basis difference for the adoption of the tangible property regulations.

Lines of Credit


	Lines of Credit

As of June 30, 2017, the Company maintained a $15.0 million line of credit agreement with CoBank, that is currently scheduled to expire on July 1, 2020. The Company maintained an additional line of credit of $45.0 million with Citizens Bank, N.A., with an expiration date of April 25, 2021. As of June 30, 2017, the total lines of credit available to the Company were $60.0 million. As of June 30, 2017 and December 31, 2016, the Company had $43.6 million and $33.0 million, respectively, of Interim Bank Loans Payable. As of June 30, 2017, the Company had $16.4 million in unused lines of credit. Interest expense charged on lines of credit will fluctuate based on market interest rates.

Aquisitions

Business Combination Disclosure [Text Block]

11. Acquisition

On May 10, 2016, the Company announced that it had reached an agreement to acquire The Heritage Village Water Company ("HVWC"), pending a vote of HVWC shareholders, approval by PURA and MPUC and the satisfaction of other various closing conditions, pursuant to the terms of that certain Agreement and Plan of Merger dated May 10, 2016 between and among HVWC, the Company, and HAC, Inc., the Company’s wholly-owned Connecticut subsidiary (the “Merger Agreement”). HVWC serves approximately 4,700 water customers in the Towns of Southbury, Middlebury, and Oxford, Connecticut and approximately 3,000 wastewater customers in the Town of Southbury, Connecticut.

Under the Merger Agreement, the acquisition was agreed to be executed through a stock-for-stock merger transaction valued at approximately $16.9 million. Holders of HVWC common stock will receive shares of the Company’s common stock in a tax-free exchange. In addition, the transaction reflects a total enterprise value of HVWC of approximately $21.5 million.

The Company received regulatory approval from MPUC on September 28, 2016 and from PURA on December 5, 2016, to proceed with the transaction. The shareholders of HVWC voted to approve the acquisition at a special meeting of HVWC’s shareholders held on February 27, 2017.

On February 27, 2017, the Company completed the acquisition of HVWC by completing the merger of the Companys’s wholly-owned subsidiary HAC, Inc. with and into HVWC, with HVWC as the surviving corporation, pursuant to the terms of the Merger Agreement and Connecticut corporate law. Upon the effective time of the Merger, the holders of HVWC’s 1,620 issued and outstanding shares of common stock became entitled to receive an aggregate of 300,445 shares of the Company’s common stock in a tax-free exchange, which exchange was commenced promptly by the issuance of a letter of transmittal and related materials by Connecticut Water’s exchange agent.

The Company is still in the process of finalizing the purchase price allocation of HVWC as additional information becomes available. The following table summarizes the fair value of the net assets acquired, based on the best information available, on February 27, 2017, the date of the acquisition (in thousands):



Net Utility Plant	$	28,861
Cash and Cash Equivalents	1,336
Accounts Receivable, net	345
Prepayments and Other Current Assets	63
Materials and Supplies, at Average Cost	200
Goodwill	12,618
Deferred Charges and Other Costs	343
Total Assets Acquired	$	43,766
Advances for Construction
Long-Term Debt, including current portion	$	4,642
Accounts Payable and Accrued Expenses	21
Other Current Liabilities	228
Advances for Construction	1,897
Deferred Federal and State Income Taxes	1,623
Total Liabilities Assumed	$	8,411

Contributions in Aid of Construction	18,452

Net Assets Acquired	$	16,903

The estimated fair values of the assets acquired and the liabilities assumed were determined based on the accounting guidance for fair value measurement under GAAP, which defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The fair value analysis assumes the highest and best use of the assets by market participants. The allocation of the purchase price includes an adjustment to fair value related to the fair value of HVWC’s long term debt. The excess of the purchase price paid over the estimated fair value of the assets acquired and the liabilities assumed was recognized as goodwill, none of which is deductible for tax purposes. Goodwill recognized as part of the acquisition of HVWC is a part of the Company’s Water Operations segment.

The following unaudited pro forma summary for the three and six months ended June 30, 2017 presents information as if HVWC had been acquired on January 1, 2016 and assumes that there were no other changes in our operations. The following pro forma information does not necessarily reflect the actual results that would have occurred had the Company operated the business since January 1, 2016, nor is it necessarily indicative of the future results of operations of the combined companies (in thousands):



Three months ended June 30,	2017		2016
Operating Revenues	$	27,902	$	27,039
Other Water Activities Revenues	318		320
Real Estate Revenues	—		—
Service and Rentals Revenues	1,279		1,212
Total Revenues	$	29,499	$	28,571

Net Income	$	8,418	$	9,950

Basic Earnings per Average Share Outstanding	$	0.75	$	0.89
Diluted Earnings per Average Share Outstanding	$	0.73	$	0.86

Six months ended June 30,	2017		2016
Operating Revenues	$	50,971	$	49,460
Other Water Activities Revenues	641		624
Real Estate Revenues	212		—
Service and Rentals Revenues	2,489		2,443
Total Revenues	$	54,313	$	52,527

Net Income	$	12,510	$	13,166

Basic Earnings per Average Share Outstanding	$	1.10	$	1.17
Diluted Earnings per Average Share Outstanding	$	1.08	$	1.14

The following table summarizes the results of HVWC for the three months ended June 30, 2017 and the period from February 27, 2017, the date of acquisition, to June 30, 2017 and is included in the Consolidated Statement of Income for the period (in thousands):



Three months ended June 30, 2017
Operating Revenues	$	1,017
Other Water Activities Revenues	—
Real Estate Revenues	—
Service and Rentals Revenues	—
Total Revenues	$	1,017

Net Income	$	132

Basic Earnings per Average Share Outstanding	$	0.01
Diluted Earnings per Average Share Outstanding	$	0.01

Period ending June 30, 2017
Operating Revenues	$	1,353
Other Water Activities Revenues	—
Real Estate Revenues	—
Service and Rentals Revenues	—
Total Revenues	$	1,353

Net Income	$	217

Basic Earnings per Average Share Outstanding	$	0.02
Diluted Earnings per Average Share Outstanding	$	0.02

On July 1, 2017, the Company completed the previously announced acquisition of The Avon Water Company (“Avon Water”). As of the date of this filing, the initial accounting for this acquisition is incomplete and therefore the above tables for Avon Water are not available. For more information about the acquisition of Avon Water, see Note 12 Subsequent Events.

Subsequent Events (Notes)

Subsequent Events [Text Block]

12. Subsequent Events

Avon Water Company Acquisition

As previously reported, on October 12, 2016, the Company announced that it had reached an agreement to acquire Avon Water, pending a vote of Avon Water shareholders, approval by PURA and the MPUC and the satisfaction of other various closing conditions, pursuant to the terms of that certain Agreement and Plan of Merger dated October 11, 2016 as amended on March 29, 2017 between and among Avon Water, the Company, and WC-A I, Inc., the Company’s wholly-owned Connecticut subsidiary (the “Merger Agreement”). Avon Water serves approximately 4,800 customers in the Farmington Valley communities of Avon, Farmington, and Simsbury, Connecticut.

On February 10, 2017, Connecticut Water received regulatory approval from MPUC and on April 12, 2017, Connecticut Water received regulatory approval from the PURA to proceed with the transaction. The shareholders of Avon Water voted to approve the acquisition at a special meeting of Avon Water’s shareholders held on June 16, 2017.

Effective July 1, 2017, the Company completed the acquisition of Avon Water by completing the merger of Connecticut Water’s wholly-owned subsidiary WC-A I, Inc. with and into Avon Water, with Avon Water as the surviving corporation, pursuant to the terms of the Merger Agreement and Connecticut corporate law. Upon the effective time of the Merger, the holders of Avon Water’s 122,289 issued and outstanding shares of common stock became entitled to receive the following merger consideration for each share of Avon Water common stock held: (i) a cash payment of $50.11; and (ii) a stock consideration component, consisting of 3.97 shares of the Company’s common stock.

The transaction was completed through a stock-for-stock exchange where Avon Water shareholders received the Company’s common stock valued at approximately $27.9 million, in a tax-free exchange, and a cash payment of $6.1 million for a total payment to shareholders of $34.0 million. The transaction reflects a total enterprise value of approximately $40.1 million, with the $34.0 million paid to shareholders and the assumption by the Company of approximately $6.1 million of debt of Avon Water.

Pension and Other Post-Retirement Benefits Pension and Post-Retirement Benefits (Tables)

Schedule of Net Benefit Costs [Table Text Block]

Pension Benefits

Components of Net Periodic Cost (in thousands):



	Three Months						Six Months
Period ended June 30,	2017			2016			2017			2016
Service Cost	$	450		$	426		$	964		$	947
Interest Cost	806			812			1,600			1,606
Expected Return on Plan Assets	(1,044		)	(1,061		)	(2,145		)	(2,040		)
Amortization of:
Prior Service Cost	4			4			8			8
Net Recognized Loss	486			514			1,031			1,025
Net Periodic Benefit Cost	$	702		$	695		$	1,458		$	1,546

schedule of post retirement benefits other than pension costs [Table Text Block]

Post-Retirement Benefits Other Than Pension (PBOP)

Components of Net Periodic Cost (in thousands):



	Three Months						Six Months
Period ended June 30,	2017			2016			2017			2016
Service Cost	$	74		$	85		$	167		$	188
Interest Cost	123			135			256			271
Expected Return on Plan Assets	(89		)	(85		)	(177		)	(170		)
Other	56			56			112			112
Amortization of:
Prior Service Credit	(45		)	(100		)	(90		)	(200		)
Recognized Net Loss	(31		)	11			(40		)	19
Net Periodic Benefit Cost	$	88		$	102		$	228		$	220

Earnings per Share Earnings per Share (Tables)

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

Earnings per weighted average common share are calculated by dividing net income applicable to common stock by the weighted average number of shares of common stock outstanding during the respective periods as detailed below (diluted shares include the effect of stock awards):



Three months ended June 30,	2017			2016
Common Shares Outstanding End of Period	11,575,400			11,231,037
Weighted Average Shares Outstanding (Days Outstanding Basis):
Basic	11,343,528			11,004,331
Diluted	11,568,278			11,222,989

Basic Earnings per Share	$	0.75		$	0.90
Dilutive Effect of Stock Awards	(0.02		)	(0.01		)
Diluted Earnings per Share	$	0.73		$	0.89

Six months ended June 30,
Weighted Average Shares Outstanding (Days Outstanding Basis):
Basic	11,241,884			10,998,408
Diluted	11,467,141			11,217,136

Basic Earnings per Share	$	1.11		$	1.19
Dilutive Effect of Stock Awards	(0.02		)	(0.02		)
Diluted Earnings per Share	$	1.09		$	1.17

Accumulated Other Comprehensive Income (Loss) (Tables)

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The changes in Accumulated Other Comprehensive Income (Loss) (“AOCI”) by component, net of tax, for the three months ended June 30, 2017 and 2016 are as follows (in thousands):



Three months ended June 30, 2017	Unrealized Gains on Investments			Defined Benefit Items			Total
Beginning Balance (a)	$	299		$	(1,120	)	$	(821	)
Other Comprehensive Income Before Reclassification	21			—			21
Amounts Reclassified from AOCI	8			57			65
Net current-period Other Comprehensive Income	29			57			86
Ending Balance	$	328		$	(1,063	)	$	(735	)

Three months ended June 30, 2016	Unrealized Gains on Investments			Defined Benefit Items			Total
Beginning Balance (a)	$	185		$	(1,100	)	$	(915	)
Other Comprehensive (Loss) Income Before Reclassification	(8		)	—			(8		)
Amounts Reclassified from AOCI	10			43			53
Net current-period Other Comprehensive (Loss) Income	2			43			45
Ending Balance	$	187		$	(1,057	)	$	(870	)

Six months ended June 30, 2017	Unrealized Gains on Investments			Defined Benefit Items			Total
Beginning Balance (a)	$	235		$	(1,159	)	$	(924	)
Other Comprehensive Income Before Reclassification	85			—			85
Amounts Reclassified from AOCI	8			96			104
Net current-period Other Comprehensive Income	93			96			189
Ending Balance	$	328		$	(1,063	)	$	(735	)

Six months ended June 30, 2016	Unrealized Gains on Investments			Defined Benefit Items			Total
Beginning Balance (a)	$	200		$	(1,135	)	$	(935	)
Other Comprehensive (Loss) Income Before Reclassification	(23		)	—			(23		)
Amounts Reclassified from AOCI	10			78			88
Net current-period Other Comprehensive (Loss) Income	(13		)	78			65
Ending Balance	$	187		$	(1,057	)	$	(870	)

(a) All amounts shown are net of tax. Amounts in parentheses indicate loss.

The following table sets forth the amounts reclassified from AOCI by component and the affected line item on the Condensed Consolidated Statements of Income for the three months ended June 30, 2017 and 2016 (in thousands):



Details about Other AOCI Components	Amounts Reclassified from AOCI Three Months Ended June 30, 2017(a)			Amounts Reclassified from AOCI Three Months Ended June 30, 2016(a)			Affected Line Items on Income Statement
Realized Gains on Investments	$	13		$	17		Other Income
Tax expense	(5		)	(7		)	Other Income
	8			10

Amortization of Recognized Net Gain from Defined Benefit Items	93			71			Other Income (b)
Tax expense	(36		)	(28		)	Other Income
	57			43

Total Reclassifications for the period, net of tax	$	65		$	53

Details about Other AOCI Components	Amounts Reclassified from AOCI Six Months Ended June 30, 2017(a)			Amounts Reclassified from AOCI Six Months Ended June 30, 2016(a)			Affected Line Items on Income Statement
Realized Gains on Investments	$	13		$	17		Other Income
Tax expense	(5		)	(7		)	Other Income
	8			10

Amortization of Recognized Net Gain from Defined Benefit Items	157			128			Other Income (b)
Tax expense	(61		)	(50		)	Other Income
	96			78

Total Reclassifications for the period, net of tax	$	104		$	88

(a) Amounts in parentheses indicate loss/expense.
(b) Included in computation of net periodic pension cost (see Note 2 for additional details).

Long-Term Debt Long-Term Debt (Tables)

Schedule of Long-term Debt Instruments [Table Text Block]

Long-Term Debt at June 30, 2017 and December 31, 2016 consisted of the following (in thousands):



		2017			2016
Connecticut Water Service, Inc.:
4.09%	Term Loan Note	$	12,903		$	13,437
The Connecticut Water Company:
Var.	2004 Series Variable Rate, Due 2029	12,500			12,500
Var.	2004 Series A, Due 2028	5,000			5,000
Var.	2004 Series B, Due 2028	4,550			4,550
5.00%	2011 A Series, Due 2021	23,051			23,115
3.16%	CoBank Note Payable, Due 2020	8,000			8,000
3.51%	CoBank Note Payable, Due 2022	14,795			14,795
4.29%	CoBank Note Payable, Due 2028	17,020			17,020
4.72%	CoBank Note Payable, Due 2032	14,795			14,795
4.75%	CoBank Note Payable, Due 2033	14,550			14,550
4.36%	CoBank Note Payable, Due May 2036	30,000			30,000
4.04%	CoBank Note Payable, Due July 2036	19,930			19,930
Total The Connecticut Water Company		164,191			164,255
The Heritage Village Water Company
4.75%	2011 Farmington Bank Loan, Due 2034	4,543			—
The Maine Water Company:
8.95%	1994 Series G, Due 2024	7,200			7,200
2.68%	1999 Series J, Due 2019	170			254
0.00%	2001 Series K, Due 2031	574			615
2.58%	2002 Series L, Due 2022	60			67
1.53%	2003 Series M, Due 2023	321			341
1.73%	2004 Series N, Due 2024	371			371
0.00%	2004 Series O, Due 2034	113			120
1.76%	2006 Series P, Due 2026	361			391
1.57%	2009 Series R, Due 2029	207			217
0.00%	2009 Series S, Due 2029	560			583
0.00%	2009 Series T, Due 2029	1,572			1,634
0.00%	2012 Series U, Due 2042	148			154
1.00%	2013 Series V, Due 2033	1,310			1,335
2.52%	CoBank Note Payable, Due 2017	1,965			1,965
4.24%	CoBank Note Payable, Due 2024	4,500			4,500
4.18%	CoBank Note Payable, Due 2026	5,000			—
7.72%	Series L, Due 2018	2,250			2,250
2.40%	Series N, Due 2022	1,026			1,101
1.86%	Series O, Due 2025	790			790
2.23%	Series P, Due 2028	1,264			1,294
0.01%	Series Q, Due 2035	1,678			1,771
1.00%	Series R, Due 2025	2,250			2,250
Various	Various Capital Leases	5			8
Total The Maine Water Company		33,695			29,211
Add: Acquisition Fair Value Adjustment		255			321
Less: Current Portion		(5,196		)	(4,859		)
Less: Unamortized Debt Issuance Expense		(5,040		)	(5,318		)
Total Long-Term Debt		$	205,351		$	197,047

Fair Value Disclosures Fair Value Disclosures (Tables)

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following table summarizes our financial instruments measured at fair value on a recurring basis within the fair value hierarchy as of June 30, 2017 (in thousands):



	Level 1		Level 2		Level 3		Total
Asset Type:
Money Market Fund	$	35	$	—	$	—	$	35
Mutual Funds:
Equity Funds (1)	1,787		—		—		1,787
Fixed Income Funds (2)	550		—		—		550
Total	$	2,372	$	—	$	—	$	2,372

The following table summarizes our financial instruments measured at fair value on a recurring basis within the fair value hierarchy as of December 31, 2016 (in thousands):



	Level 1		Level 2		Level 3		Total
Asset Type:
Money Market Fund	$	122	$	—	$	—	$	122
Mutual Funds:
Equity Funds (1)	1,662		—		—		1,662
Fixed Income Funds (2)	534		—		—		534
Total	$	2,318	$	—	$	—	$	2,318


(1)	Mutual funds consist primarily of equity securities and are presented on the Other Property and Investments line item of the Company’s Condensed Consolidated Balance Sheets.

Segment Reporting Segment Reporting (Tables)

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

Financial data for the segments is as follows (in thousands):



Three months ended June 30, 2017
Segment	Revenues		Pre-Tax Income		Income Tax Expense(Benefit)			Net Income
Water Operations	$	28,220	$	7,117	$	(969	)	$	8,086
Real Estate Transactions	—		—		—			—
Services and Rentals	1,279		505		173			332
Total	$	29,499	$	7,622	$	(796	)	$	8,418



Three months ended June 30, 2016
Segment	Revenues		Pre-Tax Income		Income Tax Expense		Net Income
Water Operations	$	26,376	$	10,173	$	636	$	9,537
Real Estate Transactions	—		—		—		—
Services and Rentals	1,212		563		157		406
Total	$	27,588	$	10,736	$	793	$	9,943



Six months ended June 30, 2017
Segment	Revenues		Pre-Tax Income		Income Tax Expense(Benefit)			Net Income
Water Operations	$	51,006	$	10,612	$	(1,251	)	$	11,863
Real Estate Transactions	212		55		22			33
Services and Rentals	2,489		996		406			590
Total	$	53,707	$	11,663	$	(823	)	$	12,486



Six months ended June 30, 2016
Segment	Revenues		Pre-Tax Income		Income Tax Expense		Net Income
Water Operations	$	48,231	$	13,123	$	833	$	12,290
Real Estate Transactions	—		—		—		—
Services and Rentals	2,443		1,100		299		801
Total	$	50,674	$	14,223	$	1,132	$	13,091

Reconciliation of Assets from Segment to Consolidated [Table Text Block]

Assets by segment (in thousands):



	June 30, 2017		December 31, 2016
Total Plant and Other Investments:
Water Operations	$	656,556	$	609,508
Non-Water	1,026		959
	657,582		610,467
Other Assets:
Water Operations	194,609		171,674
Non-Water	2,825		2,361
	197,434		174,035
Total Assets	$	855,016	$	784,502

Aquisitions Acquisitions (Tables) (The Heritage Village Water Company [Member])

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

The Company is still in the process of finalizing the purchase price allocation of HVWC as additional information becomes available. The following table summarizes the fair value of the net assets acquired, based on the best information available, on February 27, 2017, the date of the acquisition (in thousands):



Net Utility Plant	$	28,861
Cash and Cash Equivalents	1,336
Accounts Receivable, net	345
Prepayments and Other Current Assets	63
Materials and Supplies, at Average Cost	200
Goodwill	12,618
Deferred Charges and Other Costs	343
Total Assets Acquired	$	43,766
Advances for Construction
Long-Term Debt, including current portion	$	4,642
Accounts Payable and Accrued Expenses	21
Other Current Liabilities	228
Advances for Construction	1,897
Deferred Federal and State Income Taxes	1,623
Total Liabilities Assumed	$	8,411

Contributions in Aid of Construction	18,452

Net Assets Acquired	$	16,903

Business Acquisition, Pro Forma Information [Table Text Block]

The following unaudited pro forma summary for the three and six months ended June 30, 2017 presents information as if HVWC had been acquired on January 1, 2016 and assumes that there were no other changes in our operations. The following pro forma information does not necessarily reflect the actual results that would have occurred had the Company operated the business since January 1, 2016, nor is it necessarily indicative of the future results of operations of the combined companies (in thousands):



Three months ended June 30,	2017		2016
Operating Revenues	$	27,902	$	27,039
Other Water Activities Revenues	318		320
Real Estate Revenues	—		—
Service and Rentals Revenues	1,279		1,212
Total Revenues	$	29,499	$	28,571

Net Income	$	8,418	$	9,950

Basic Earnings per Average Share Outstanding	$	0.75	$	0.89
Diluted Earnings per Average Share Outstanding	$	0.73	$	0.86

Six months ended June 30,	2017		2016
Operating Revenues	$	50,971	$	49,460
Other Water Activities Revenues	641		624
Real Estate Revenues	212		—
Service and Rentals Revenues	2,489		2,443
Total Revenues	$	54,313	$	52,527

Net Income	$	12,510	$	13,166

Basic Earnings per Average Share Outstanding	$	1.10	$	1.17
Diluted Earnings per Average Share Outstanding	$	1.08	$	1.14

The following table summarizes the results of HVWC for the three months ended June 30, 2017 and the period from February 27, 2017, the date of acquisition, to June 30, 2017 and is included in the Consolidated Statement of Income for the period (in thousands):



Three months ended June 30, 2017
Operating Revenues	$	1,017
Other Water Activities Revenues	—
Real Estate Revenues	—
Service and Rentals Revenues	—
Total Revenues	$	1,017

Net Income	$	132

Basic Earnings per Average Share Outstanding	$	0.01
Diluted Earnings per Average Share Outstanding	$	0.01

Period ending June 30, 2017
Operating Revenues	$	1,353
Other Water Activities Revenues	—
Real Estate Revenues	—
Service and Rentals Revenues	—
Total Revenues	$	1,353

Net Income	$	217

Basic Earnings per Average Share Outstanding	$	0.02
Diluted Earnings per Average Share Outstanding	$	0.02

Aquisitions Goodwill Rollforward (Tables) (The Heritage Village Water Company [Member])

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

The Company is still in the process of finalizing the purchase price allocation of HVWC as additional information becomes available. The following table summarizes the fair value of the net assets acquired, based on the best information available, on February 27, 2017, the date of the acquisition (in thousands):



Net Utility Plant	$	28,861
Cash and Cash Equivalents	1,336
Accounts Receivable, net	345
Prepayments and Other Current Assets	63
Materials and Supplies, at Average Cost	200
Goodwill	12,618
Deferred Charges and Other Costs	343
Total Assets Acquired	$	43,766
Advances for Construction
Long-Term Debt, including current portion	$	4,642
Accounts Payable and Accrued Expenses	21
Other Current Liabilities	228
Advances for Construction	1,897
Deferred Federal and State Income Taxes	1,623
Total Liabilities Assumed	$	8,411

Contributions in Aid of Construction	18,452

Net Assets Acquired	$	16,903

Business Acquisition, Pro Forma Information [Table Text Block]

The following unaudited pro forma summary for the three and six months ended June 30, 2017 presents information as if HVWC had been acquired on January 1, 2016 and assumes that there were no other changes in our operations. The following pro forma information does not necessarily reflect the actual results that would have occurred had the Company operated the business since January 1, 2016, nor is it necessarily indicative of the future results of operations of the combined companies (in thousands):



Three months ended June 30,	2017		2016
Operating Revenues	$	27,902	$	27,039
Other Water Activities Revenues	318		320
Real Estate Revenues	—		—
Service and Rentals Revenues	1,279		1,212
Total Revenues	$	29,499	$	28,571

Net Income	$	8,418	$	9,950

Basic Earnings per Average Share Outstanding	$	0.75	$	0.89
Diluted Earnings per Average Share Outstanding	$	0.73	$	0.86

Six months ended June 30,	2017		2016
Operating Revenues	$	50,971	$	49,460
Other Water Activities Revenues	641		624
Real Estate Revenues	212		—
Service and Rentals Revenues	2,489		2,443
Total Revenues	$	54,313	$	52,527

Net Income	$	12,510	$	13,166

Basic Earnings per Average Share Outstanding	$	1.10	$	1.17
Diluted Earnings per Average Share Outstanding	$	1.08	$	1.14

The following table summarizes the results of HVWC for the three months ended June 30, 2017 and the period from February 27, 2017, the date of acquisition, to June 30, 2017 and is included in the Consolidated Statement of Income for the period (in thousands):



Three months ended June 30, 2017
Operating Revenues	$	1,017
Other Water Activities Revenues	—
Real Estate Revenues	—
Service and Rentals Revenues	—
Total Revenues	$	1,017

Net Income	$	132

Basic Earnings per Average Share Outstanding	$	0.01
Diluted Earnings per Average Share Outstanding	$	0.01

Period ending June 30, 2017
Operating Revenues	$	1,353
Other Water Activities Revenues	—
Real Estate Revenues	—
Service and Rentals Revenues	—
Total Revenues	$	1,353

Net Income	$	217

Basic Earnings per Average Share Outstanding	$	0.02
Diluted Earnings per Average Share Outstanding	$	0.02

Basis of Preparation of Financials In text details (Details) (USD $)

3 Months Ended

6 Months Ended

Jun. 30, 2017

Jun. 30, 2016

Jun. 30, 2017

Jun. 30, 2016

Water Revenue Adjustment

$ 2,980,000

$ 2,386,000

$ 3,553,000

$ 2,786,000

Maine Water Company [Member]

Allowed Rate of Return on Equity

9.50%

Allowed Return on Rate Base

7.96%

The Connecticut Water Company [Member]

Allowed Rate of Return on Equity

9.75%

Allowed Return on Rate Base

7.32%

The Heritage Village Water Company [Member]

Allowed Rate of Return on Equity

10.10%

Allowed Return on Rate Base

7.19%

Pension and Other Post-Retirement Benefits Pension Benefit Cost (Details) (USD $)

In Thousands, unless otherwise specified

3 Months Ended

6 Months Ended

Jun. 30, 2017

Jun. 30, 2016

Jun. 30, 2017

Jun. 30, 2016

Pension Plans, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Defined Benefit Plan, Service Cost

$ 450

$ 426

$ 964

$ 947

Defined Benefit Plan, Interest Cost

806

812

1,600

1,606

Defined Benefit Plan, Expected Return on Plan Assets

(1,044)

(1,061)

(2,145)

(2,040)

Defined Benefit Plan, Amortization of Prior Service Cost (Credit)

4

8

Defined Benefit Plan, Amortization of Gains (Losses)

486

514

1,031

1,025

Defined Benefit Plan, Net Periodic Benefit Cost

702

695

1,458

1,546

Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Defined Benefit Plan, Service Cost

74

85

167

188

Defined Benefit Plan, Interest Cost

123

135

256

271

Defined Benefit Plan, Expected Return on Plan Assets

(89)

(85)

(177)

(170)

Defined benefit plan amortization of regulatory assets

56

112

Defined Benefit Plan, Amortization of Prior Service Cost (Credit)

(45)

(100)

(90)

(200)

Defined Benefit Plan, Amortization of Gains (Losses)

(31)

11

(40)

19

Defined Benefit Plan, Net Periodic Benefit Cost

$ 88

$ 102

$ 228

$ 220

Pension and Other Post-Retirement Benefits In Text Linking (Details) (USD $)

6 Months Ended

Jun. 30, 2017

Defined Benefit Plan Disclosure [Line Items]

Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year

$ 2,971,000

Earnings per Share Earnings per Share (Details) (USD $)

3 Months Ended

6 Months Ended

Jun. 30, 2017

Jun. 30, 2016

Jun. 30, 2017

Jun. 30, 2016

Dec. 31, 2016

Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]

Common Stock, Shares, Outstanding

11,575,400

11,231,037

11,575,400

11,231,037

11,248,458

Weighted Average Number of Shares Outstanding, Basic

11,343,528

11,004,331

11,241,884

10,998,408

Diluted (in shares)

11,568,278

11,222,989

11,467,141

11,217,136

Basic (in dollars per share)

$ 0.75

$ 0.90

$ 1.11

$ 1.19

Incremental Common Shares Attributal To Share Based Payements Arrangements

$ (0.02)

$ (0.01)

$ (0.02)

Earnings Per Share, Diluted

$ 0.73

$ 0.89

$ 1.09

$ 1.17

Earnings per Share EPS in Text Tagging (Details) (USD $)

In Millions, unless otherwise specified

6 Months Ended

Jun. 30, 2017

Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]

Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition

1 year 4 months 26 days

Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized

$ 0.6

Accumulated Other Comprehensive Income (Loss) (Details) (USD $)

In Thousands, unless otherwise specified

3 Months Ended

6 Months Ended

Jun. 30, 2017

Jun. 30, 2016

Jun. 30, 2017

Jun. 30, 2016

Mar. 31, 2017

Dec. 31, 2016

Mar. 31, 2016

Dec. 31, 2015

Accumulated Other Comprehensive Income (Loss) Tables [Abstract]

Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, before Tax

$ 13

$ 17

$ 13

$ 17

Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Tax

(5)

(7)

(5)

(7)

Accumulated Other Comprehensive Loss

(735)

(870)

(735)

(870)

(821)

(924)

(915)

(935)

Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Net of Tax

8

10

8

10

Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax

93

71

157

128

Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax

(36)

(28)

(61)

(50)

Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax

328

187

328

187

299

235

185

200

Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax

(1,063)

(1,057)

(1,063)

(1,057)

(1,120)

(1,159)

(1,100)

(1,135)

Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Reclassification Adjustments, Net of Tax

21

(8)

85

(23)

Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments, Net of Tax

0

Total Other Comprehensive Income Before Reclassification, Net of Tax

21

(8)

85

(23)

Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Net of Tax

57

43

96

78

Total Amounts Reclassified From AOCI, Net of Tax

65

53

104

88

Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax

29

2

93

(13)

Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax

57

43

96

78

Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent

$ 86

$ 45

$ 189

$ 65

Long-Term Debt Long-Term Debt (Details) (USD $)

In Thousands, unless otherwise specified

Jun. 30, 2017

Feb. 27, 2017

Dec. 31, 2016

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

$ 205,351

$ 4,642

$ 197,047

Long-term Debt, Current Maturities

(5,196)

(4,859)

Less: Unamortized Debt Issuance Expense

(5,040)

(5,318)

Long-term Debt

205,351

197,047

Parent [Member] |
Connecticut Water Service Term Loan Note and Supplement A [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

12,903

13,437

The Connecticut Water Company [Member]

Debt Instrument [Line Items]

Long-term Debt, Current Maturities

(164,191)

(164,255)

The Connecticut Water Company [Member] |
Unsecured Water Facilities Revenue Refinancing Bonds Series Issued 2004, Due 2029 [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

12,500

The Connecticut Water Company [Member] |
Unsecured Water Facilities Revenue Refinancing Bonds Series A Issued 2004 Due 2028 [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

5,000

The Connecticut Water Company [Member] |
Unsecured Water Facilities Revenue Refinancing Bonds Series B Issued 2004 Due 2028 [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

4,550

The Connecticut Water Company [Member] |
CoBank Note Payable, Due 2020 [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

8,000

The Connecticut Water Company [Member] |
CoBank Note Payable Due 2022 [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

14,795

The Connecticut Water Company [Member] |
Unsecured Water Facilities Revenue Refinancing Bonds Series A Issued 2011 Due 2021 [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

23,051

23,115

The Connecticut Water Company [Member] |
CoBank Note Payable Due 2028 [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

17,020

The Connecticut Water Company [Member] |
CoBank Note Payable Due 2032 [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

14,795

The Connecticut Water Company [Member] |
CoBank Note Payable, Due 2033 [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

14,550

The Connecticut Water Company [Member] |
CoBank Note Payable, Due 2036 [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

30,000

The Connecticut Water Company [Member] |
CoBank Note Payable, Due 2036 [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

19,930

Maine Water Company [Member]

Debt Instrument [Line Items]

Long-term Debt, Current Maturities

(33,695)

(29,211)

Maine Water Company [Member] |
CoBank Note Payable, Due 2026 [Member]

Debt Instrument [Line Items]

Long-term Debt, Current Maturities

(5,000)

0

Maine Water Company [Member] |
Maine Water Company Series G [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

7,200

Maine Water Company [Member] |
Maine Water Company Series J [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

170

254

Maine Water Company [Member] |
Maine Water Company Series K [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

574

615

Maine Water Company [Member] |
Maine Water Company Series L [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

60

67

Maine Water Company [Member] |
Maine Water Company Series M [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

321

341

Maine Water Company [Member] |
Maine Water Company Series N [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

371

Maine Water Company [Member] |
Maine Water Company Series O [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

113

120

Maine Water Company [Member] |
Maine Water Company Series P [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

361

391

Maine Water Company [Member] |
Maine Water Company Series R [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

207

217

Maine Water Company [Member] |
Maine Water Company Series S [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

560

583

Maine Water Company [Member] |
Maine Water Company Series T [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

1,572

1,634

Maine Water Company [Member] |
Fair Value Adjustment of Long-Term Debt Assume [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

255

321

Maine Water Company [Member] |
2012 Series U, Due 2042 [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

148

154

Maine Water Company [Member] |
2013 Series V, Due 2033 [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

1,310

1,335

Maine Water Company [Member] |
CoBank Note Payable, Due 2017 [Member]

Debt Instrument [Line Items]

Long-term Debt, Current Maturities

(1,965)

Maine Water Company [Member] |
CoBank Note Payable, Due 2024 [Member]

Debt Instrument [Line Items]

Long-term Debt, Current Maturities

(4,500)

Maine Water Company [Member] |
Series L, Due 2018 [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

2,250

Maine Water Company [Member] |
Series N, Due 2022 [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

1,026

1,101

Maine Water Company [Member] |
Series O, Due 2025 [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

790

Maine Water Company [Member] |
Series P, Due 2028 [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

1,264

1,294

Maine Water Company [Member] |
Series Q, Due 2028 [Member]

Debt Instrument [Line Items]

Long-term Debt, Current Maturities

(1,678)

(1,771)

Maine Water Company [Member] |
Series R, Due 2025 [Domain]

Debt Instrument [Line Items]

Long-term Debt, Current Maturities

(2,250)

Maine Water Company [Member] |
Long Term Capital Leases [Member]

Debt Instrument [Line Items]

Long-term Debt, Excluding Current Maturities

5

8

The Heritage Village Water Company [Member] |
CoBank Note Payable, Due 2026 [Member]

Debt Instrument [Line Items]

Long-term Debt, Current Maturities

0

The Heritage Village Water Company [Member] |
2011 Farmington Bank Loan, Due 2034 [Member]

Debt Instrument [Line Items]

Long-term Debt, Current Maturities

$ (4,543)

Long-Term Debt Long-Term Debt Parenthetical (Details)

Jun. 30, 2017

Parent [Member]

Connecticut Water Service Term Loan Note and Supplement A [Member]

Dec. 31, 2015

Parent [Member]

Connecticut Water Service Term Loan Note and Supplement A [Member]

Jun. 30, 2017

The Connecticut Water Company [Member]

Unsecured Water Facilities Revenue Refinancing Bonds Series A Issued 2009, Due 2039 [Member]

Dec. 31, 2016

The Connecticut Water Company [Member]

Unsecured Water Facilities Revenue Refinancing Bonds Series A Issued 2009, Due 2039 [Member]

Jun. 30, 2017

The Connecticut Water Company [Member]

Unsecured Water Facilities Revenue Refinancing Bonds Series A Issued 2011 Due 2021 [Member]

Dec. 31, 2016

The Connecticut Water Company [Member]

Unsecured Water Facilities Revenue Refinancing Bonds Series A Issued 2011 Due 2021 [Member]

Jun. 30, 2017

The Connecticut Water Company [Member]

CoBank Note Payable, Due 2020 [Member]

Dec. 31, 2016

The Connecticut Water Company [Member]

CoBank Note Payable, Due 2020 [Member]

Jun. 30, 2017

The Connecticut Water Company [Member]

CoBank Note Payable Due 2022 [Member]

Dec. 31, 2016

The Connecticut Water Company [Member]

CoBank Note Payable Due 2022 [Member]

Jun. 30, 2017

The Connecticut Water Company [Member]

CoBank Note Payable Due 2028 [Member]

Dec. 31, 2016

The Connecticut Water Company [Member]

CoBank Note Payable Due 2028 [Member]

Jun. 30, 2017

The Connecticut Water Company [Member]

CoBank Note Payable Due 2032 [Member]

Dec. 31, 2016

The Connecticut Water Company [Member]

CoBank Note Payable Due 2032 [Member]

Jun. 30, 2017

The Connecticut Water Company [Member]

CoBank Note Payable, Due 2033 [Member]

Dec. 31, 2016

The Connecticut Water Company [Member]

CoBank Note Payable, Due 2033 [Member]

Jun. 30, 2017

The Connecticut Water Company [Member]

CoBank Note Payable, Due 2036 [Member]

Dec. 31, 2016

The Connecticut Water Company [Member]

CoBank Note Payable, Due 2036 [Member]

Jun. 30, 2017

The Connecticut Water Company [Member]

CoBank Note Payable, Due 2036 [Member]

Dec. 31, 2016

The Connecticut Water Company [Member]

CoBank Note Payable, Due 2036 [Member]

Jun. 30, 2017

Maine Water Company [Member]

Maine Water Company Series G [Member]

Dec. 31, 2016

Maine Water Company [Member]

Maine Water Company Series G [Member]

Jun. 30, 2017

Maine Water Company [Member]

Maine Water Company Series J [Member]

Dec. 31, 2016

Maine Water Company [Member]

Maine Water Company Series J [Member]

Jun. 30, 2017

Maine Water Company [Member]

Maine Water Company Series K [Member]

Dec. 31, 2016

Maine Water Company [Member]

Maine Water Company Series K [Member]

Jun. 30, 2017

Maine Water Company [Member]

Maine Water Company Series L [Member]

Dec. 31, 2016

Maine Water Company [Member]

Maine Water Company Series L [Member]

Jun. 30, 2017

Maine Water Company [Member]

Maine Water Company Series M [Member]

Dec. 31, 2016

Maine Water Company [Member]

Maine Water Company Series M [Member]

Jun. 30, 2017

Maine Water Company [Member]

Maine Water Company Series N [Member]

Dec. 31, 2016

Maine Water Company [Member]

Maine Water Company Series N [Member]

Jun. 30, 2017

Maine Water Company [Member]

Maine Water Company Series O [Member]

Dec. 31, 2016

Maine Water Company [Member]

Maine Water Company Series O [Member]

Jun. 30, 2017

Maine Water Company [Member]

Maine Water Company Series P [Member]

Dec. 31, 2016

Maine Water Company [Member]

Maine Water Company Series P [Member]

Jun. 30, 2017

Maine Water Company [Member]

Maine Water Company Series R [Member]

Dec. 31, 2016

Maine Water Company [Member]

Maine Water Company Series R [Member]

Jun. 30, 2017

Maine Water Company [Member]

Maine Water Company Series S [Member]

Dec. 31, 2016

Maine Water Company [Member]

Maine Water Company Series S [Member]

Jun. 30, 2017

Maine Water Company [Member]

Maine Water Company Series T [Member]

Dec. 31, 2016

Maine Water Company [Member]

Maine Water Company Series T [Member]

Jun. 30, 2017

Maine Water Company [Member]

2012 Series U, Due 2042 [Member]

Dec. 31, 2016

Maine Water Company [Member]

2012 Series U, Due 2042 [Member]

Jun. 30, 2017

Maine Water Company [Member]

2013 Series V, Due 2033 [Member]

Dec. 31, 2016

Maine Water Company [Member]

2013 Series V, Due 2033 [Member]

Jun. 30, 2017

Maine Water Company [Member]

CoBank Note Payable, Due 2017 [Member]

Dec. 31, 2016

Maine Water Company [Member]

CoBank Note Payable, Due 2017 [Member]

Jun. 30, 2017

Maine Water Company [Member]

Series L, Due 2018 [Member]

Dec. 31, 2016

Maine Water Company [Member]

Series L, Due 2018 [Member]

Jun. 30, 2017

Maine Water Company [Member]

Series N, Due 2022 [Member]

Dec. 31, 2016

Maine Water Company [Member]

Series N, Due 2022 [Member]

Jun. 30, 2017

Maine Water Company [Member]

Series O, Due 2025 [Member]

Dec. 31, 2016

Maine Water Company [Member]

Series O, Due 2025 [Member]

Jun. 30, 2017

Maine Water Company [Member]

Series P, Due 2028 [Member]

Dec. 31, 2016

Maine Water Company [Member]

Series P, Due 2028 [Member]

Jun. 30, 2017

Maine Water Company [Member]

Series Q, Due 2028 [Member]

Dec. 31, 2016

Maine Water Company [Member]

Series Q, Due 2028 [Member]

Jun. 30, 2017

Maine Water Company [Member]

Series R, Due 2025 [Domain]

Dec. 31, 2016

Maine Water Company [Member]

Series R, Due 2025 [Domain]

Debt Instrument [Line Items]

Debt Instrument, Interest Rate, Stated Percentage

4.09%

5.10%

5.00%

3.16%

3.51%

4.29%

4.72%

4.75%

0.00%

4.36%

4.04%

8.95%

2.68%

0.00%

2.58%

1.53%

1.73%

0.00%

1.76%

1.57%

0.00%

1.00%

3.00%

7.72%

2.40%

1.86%

2.23%

0.01%

1.00%

Long-Term Debt Long-Term Debt in Text (Details) (USD $)

Jun. 30, 2017

Dec. 31, 2016

Debt Instrument [Line Items]

Long-term Debt, Current Maturities

$ 5,196,000

$ 4,859,000

Monetary Limit of Deceased Bond Holders Redemption per Year

$ 25,000

Percent Limit of Deceased Bond Holders Redemption per Year

3.00%

Fair Value Disclosures Fair Value of Financial Instruments (Details) (USD $)

In Thousands, unless otherwise specified

Jun. 30, 2017

Dec. 31, 2016

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets, Fair Value Disclosure

$ 2,372

$ 2,318

Fair Value, Inputs, Level 1 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets, Fair Value Disclosure

2,372

2,318

Fair Value, Inputs, Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets, Fair Value Disclosure

0

Fair Value, Inputs, Level 3 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets, Fair Value Disclosure

0

Money Market Funds [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets, Fair Value Disclosure

35

122

Money Market Funds [Member] |
Fair Value, Inputs, Level 1 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets, Fair Value Disclosure

35

122

Money Market Funds [Member] |
Fair Value, Inputs, Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets, Fair Value Disclosure

0

Money Market Funds [Member] |
Fair Value, Inputs, Level 3 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets, Fair Value Disclosure

0

Equity Funds [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets, Fair Value Disclosure

1,787

1,662

Equity Funds [Member] |
Fair Value, Inputs, Level 1 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets, Fair Value Disclosure

1,787

1,662

Equity Funds [Member] |
Fair Value, Inputs, Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets, Fair Value Disclosure

0

Equity Funds [Member] |
Fair Value, Inputs, Level 3 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets, Fair Value Disclosure

0

Fixed Income Funds [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets, Fair Value Disclosure

550

534

Fixed Income Funds [Member] |
Fair Value, Inputs, Level 1 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets, Fair Value Disclosure

550

534

Fixed Income Funds [Member] |
Fair Value, Inputs, Level 2 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets, Fair Value Disclosure

0

Fixed Income Funds [Member] |
Fair Value, Inputs, Level 3 [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets, Fair Value Disclosure

$ 0

Fair Value Disclosures In Text Tagging (Details) (USD $)

Jun. 30, 2017

Feb. 27, 2017

Dec. 31, 2016

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Life Insurance, Corporate or Bank Owned, Amount

$ 3,259,000

$ 3,075,000

Long-term Debt, Fair Value

223,119,000

210,463,000

Long-term Debt, Gross

210,391,000

202,365,000

Advances for Construction

$ 21,433,000

$ 1,897,000

$ 19,127,000

Segment Reporting Segment Reporting (Details) (USD $)

In Thousands, unless otherwise specified

3 Months Ended

6 Months Ended

Jun. 30, 2017

Jun. 30, 2016

Jun. 30, 2017

Jun. 30, 2016

Segment Reporting Information [Line Items]

Revenues

$ 29,499

$ 27,588

$ 53,707

$ 50,674

Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest

7,622

10,736

11,663

14,223

Income Tax Expense (Benefit), Continuing Operations

(796)

793

(823)

1,132

Net Income (Loss), Including Portion Attributable to Noncontrolling Interest

8,418

9,943

12,486

13,091

Water Activities [Member]

Segment Reporting Information [Line Items]

Revenues

28,220

26,376

51,006

48,231

Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest

7,117

10,173

10,612

13,123

Income Tax Expense (Benefit), Continuing Operations

(969)

636

(1,251)

833

Net Income (Loss), Including Portion Attributable to Noncontrolling Interest

8,086

9,537

11,863

12,290

Real Estate Transactions [Member]

Segment Reporting Information [Line Items]

Revenues

0

212

0

Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest

0

55

0

Income Tax Expense (Benefit), Continuing Operations

0

22

0

Net Income (Loss), Including Portion Attributable to Noncontrolling Interest

0

33

0

Services and Rentals [Member]

Segment Reporting Information [Line Items]

Revenues

1,279

1,212

2,489

2,443

Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest

505

563

996

1,100

Income Tax Expense (Benefit), Continuing Operations

173

157

406

299

Net Income (Loss), Including Portion Attributable to Noncontrolling Interest

$ 332

$ 406

$ 590

$ 801

Segment Reporting Segment Reporting Textual Information (Details) (USD $)

3 Months Ended

6 Months Ended

Jun. 30, 2017

Jun. 30, 2016

Jun. 30, 2017

Jun. 30, 2016

Segment Reporting Information [Line Items]

Operating Revenues

$ 27,370,000

$ 26,055,000

$ 49,644,000

$ 47,607,000

Regulated Operating Revenue, Wastewater

532,000

721,000

Regulated Operating Revenue, Other

318,000

321,000

641,000

624,000

Water Revenue Adjustment

$ 2,980,000

$ 2,386,000

$ 3,553,000

$ 2,786,000

Segment Reporting Assets by Segment (Details) (USD $)

In Thousands, unless otherwise specified

Jun. 30, 2017

Feb. 27, 2017

Dec. 31, 2016

Segment Reporting Information [Line Items]

Total Plant and Other Investments

$ 657,582

$ 610,467

Other Assets

197,434

174,035

Assets

855,016

43,766

784,502

Water Activities [Member]

Segment Reporting Information [Line Items]

Total Plant and Other Investments

656,556

609,508

Other Assets

194,609

171,674

Services and Rentals and Real Estate Combine [Member]

Segment Reporting Information [Line Items]

Total Plant and Other Investments

1,026

959

Other Assets

$ 2,825

$ 2,361

Income Tax Expense Income Tax Expense (Details)

3 Months Ended

6 Months Ended

Jun. 30, 2017

Rate

Jun. 30, 2016

Rate

Jun. 30, 2017

Rate

Jun. 30, 2016

Rate

Income Taxes [Abstract]

Effective Income Tax Rate, Continuing Operations

(10.50%)

7.40%

(7.10%)

8.00%

Effective Tax Rate Excluding Reserve Against Fixed Capital Investment Credits Claimed in Prior Years

16.20%

5.20%

17.70%

3.40%

Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate

41.00%

Lines of Credit Lines of Credit (Details) (USD $)

Jun. 30, 2017

Dec. 31, 2016

Short-term Debt [Line Items]

Line of Credit Facility, Current Borrowing Capacity

$ 60,000,000

Interim Bank Loans Payable

43,632,000

32,953,000

Line of Credit Facility, Remaining Borrowing Capacity

16,400,000

CTWS Line of Credit A [Member]

Short-term Debt [Line Items]

Line of Credit Facility, Current Borrowing Capacity

15,000,000

CTWS Line of Credit B [Member]

Short-term Debt [Line Items]

Line of Credit Facility, Current Borrowing Capacity

$ 45,000,000

Aquisitions Fair Value of Assets Acquired (Details) (USD $)

In Thousands, unless otherwise specified

Jun. 30, 2017

Feb. 27, 2017

Dec. 31, 2016

Jun. 30, 2016

Dec. 31, 2015

Business Acquisition [Line Items]

Public Utilities, Property, Plant and Equipment, Net

$ 647,688

$ 28,861

$ 601,396

Cash and Cash Equivalents

2,694

1,336

1,564

1,143

731

Accounts Receivable, Net, Current

12,875

345

13,024

Prepayments and Other Current Assets

6,743

63

5,069

Goodwill

43,045

12,618

30,427

Deferred Charges and Other Costs

11,118

343

8,449

Total Assets

855,016

43,766

784,502

Long-term Debt

205,351

197,047

Accounts Payable and Accrued Expenses

9,640

21

13,116

Other Current Liabilities

2,856

228

2,330

Advances for Construction

21,433

1,897

19,127

Contributions in Aid of Construction

115,958

18,452

94,957

Deferred Federal and State Income Taxes

51,838

1,623

50,558

Other Long-Term Liabilities

4,647

5,074

Materials and Supplies

1,768

200

1,536

Long-Term Debt

205,351

4,642

197,047

Liabilities, Noncurrent

210,279

8,411

200,573

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net

$ 16,903

Aquisitions Pro Forma Summary for Prior Year (Details) (USD $)

3 Months Ended

6 Months Ended

3 Months Ended

4 Months Ended

Jun. 30, 2017

Jun. 30, 2016

Mar. 31, 2016

Jun. 30, 2017

Jun. 30, 2016

Jun. 30, 2017

The Heritage Village Water Company [Member]

Jun. 30, 2017

The Heritage Village Water Company [Member]

Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]

Regulated Operating Revenue

$ 27,902,000

$ 26,055,000

$ 50,365,000

$ 47,607,000

$ 1,017,000

$ 1,353,000

Operating Revenues

27,370,000

26,055,000

49,644,000

47,607,000

Regulated Operating Revenue, Other

318,000

321,000

641,000

624,000

0

Real Estate Revenue, Net

0

Sales Revenue, Services, Net

0

Revenues

29,499,000

27,588,000

53,707,000

50,674,000

1,017,000

1,353,000

Net Income

$ 8,418,000

$ 9,943,000

$ 12,486,000

$ 13,091,000

$ 132,000

$ 217,000

Earnings Per Share, Basic

$ 0.75

$ 0.90

$ 1.11

$ 1.19

$ 0.01

$ 0.02

Earnings Per Share, Diluted

$ 0.73

$ 0.89

$ 1.09

$ 1.17

$ 0.01

$ 0.02

Aquisitions Goodwill Rollforward (Details) (USD $)

3 Months Ended

6 Months Ended

3 Months Ended

6 Months Ended

3 Months Ended

6 Months Ended

3 Months Ended

4 Months Ended

Jun. 30, 2017

Jun. 30, 2016

Mar. 31, 2016

Jun. 30, 2017

Jun. 30, 2016

Feb. 27, 2017

Dec. 31, 2016

Jun. 30, 2017

Water Activities [Member]

Jun. 30, 2016

Water Activities [Member]

Jun. 30, 2017

Water Activities [Member]

Jun. 30, 2016

Water Activities [Member]

Jun. 30, 2017

Connecticut Water Service, Inc. [Member]

Jun. 30, 2016

Connecticut Water Service, Inc. [Member]

Jun. 30, 2017

Connecticut Water Service, Inc. [Member]

Jun. 30, 2016

Connecticut Water Service, Inc. [Member]

Jun. 30, 2017

The Heritage Village Water Company [Member]

Jun. 30, 2017

The Heritage Village Water Company [Member]

Goodwill [Line Items]

Regulated Operating Revenue

$ 27,902,000

$ 26,055,000

$ 50,365,000

$ 47,607,000

$ 27,902,000

$ 27,039,000

$ 50,971,000

$ 49,460,000

$ 1,017,000

$ 1,353,000

Goodwill

43,045,000

12,618,000

30,427,000

Regulated Operating Revenue, Other

318,000

321,000

641,000

624,000

318,000

320,000

641,000

624,000

0

Real Estate Revenue, Net

0

212,000

0

Sales Revenue, Services, Net

1,279,000

1,212,000

2,489,000

2,443,000

0

Revenues

29,499,000

27,588,000

53,707,000

50,674,000

28,220,000

26,376,000

51,006,000

48,231,000

29,499,000

28,571,000

54,313,000

52,527,000

1,017,000

1,353,000

Net Income (Loss) Attributable to Parent

$ 8,418,000

$ 9,943,000

$ 12,486,000

$ 13,091,000

$ 8,418,000

$ 9,950,000

$ 12,510,000

$ 13,166,000

$ 132,000

$ 217,000

Earnings Per Share, Basic

$ 0.75

$ 0.90

$ 1.11

$ 1.19

$ 0.75

$ 0.89

$ 1.10

$ 1.17

$ 0.01

$ 0.02

Earnings Per Share, Diluted

$ 0.73

$ 0.89

$ 1.09

$ 1.17

$ 0.73

$ 0.86

$ 1.08

$ 1.14

$ 0.01

$ 0.02