Document and Entity Information |
Apr. 30, 2025 |
|---|---|
| Cover [Abstract] | |
| Entity Registrant Name | MID PENN BANCORP INC |
| Amendment Flag | true |
| Entity Central Index Key | 0000879635 |
| Document Type | 8-K/A |
| Document Period End Date | Apr. 30, 2025 |
| Entity Incorporation State Country Code | PA |
| Entity File Number | 1-13677 |
| Entity Tax Identification Number | 25-1666413 |
| Entity Address, Address Line One | 2407 Park Drive |
| Entity Address, City or Town | Harrisburg |
| Entity Address, State or Province | PA |
| City Area Code | 1.866 |
| Local Phone Number | 642.7736 |
| Entity Address, Postal Zip Code | 17110 |
| Security 12b Title | Common Stock, $1.00 par value per share |
| Trading Symbol | MPB |
| Security Exchange Name | NASDAQ |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Amendment Description | On April 30, 2025, Mid Penn Bancorp, Inc. (the “Mid Penn”), pursuant to an Agreement and Plan of Merger, dated as of October 31, 2024 (the “Merger Agreement”), between Mid Penn and William Penn Bancorporation (“William Penn”), completed its acquisition of William Penn. On May 1, 2025, Mid Penn filed a Current Report on Form 8-K stating that it had completed the acquisition and that the financial information required under Items 9.01(a) and 9.01(b) would be filed within 71 days after the date on which the Current Report on Form 8-K was required to be filed. This amended Current Report on Form 8-K/A contains the required financial statements. |