Basis of Presentation	6 Months Ended
Jun. 30, 2020
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Basis of Presentation	(1)Basis of Presentation The accompanying consolidated financial statements include the accounts of Mid Penn Bancorp, Inc. (“Mid Penn” or the “Corporation”) and its wholly-owned subsidiary, Mid Penn Bank (the “Bank”). During the first six months of 2020, Mid Penn established a non-bank subsidiary, MPB Financial Services, LLC under which two additional non-bank subsidiaries have been established: (i) MPB Wealth Management, LLC, created to expand the wealth management function of the Corporation, and (ii) MPB Risk Services, LLC, created to fulfill the insurance needs of both existing and potential customers of the Corporation. As of June 30, 2020, the accounts and activities of these three new non-bank subsidiaries were not material to warrant separate disclosure or segment reporting. All material intercompany accounts and transactions have been eliminated in consolidation. Certain information and disclosures normally included in consolidated financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Mid Penn believes the information presented is not misleading and the disclosures are adequate. For comparative purposes, the period ending June 30, 2019 and December 31, 2019 balances have been reclassified, when necessary, to conform to the 2020 presentation. Such reclassifications had no impact on net income. The results of operations for interim periods are not necessarily indicative of operating results expected for the full year. Except for adjustments made related to the adoption of new accounting standards, in the opinion of management, all adjustments necessary for fair presentation of the periods presented have been reflected in the accompanying consolidated financial statements. All such adjustments are of a normal, recurring nature. These interim consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2019. Mid Penn has evaluated events and transactions occurring subsequent to the balance sheet date of June 30, 2020, for items that should potentially be recognized or disclosed in these consolidated financial statements. The evaluation was conducted through the issuance date of these consolidated financial statements.

Basis of Presentation

6 Months Ended

Jun. 30, 2020

Organization Consolidation And Presentation Of Financial Statements [Abstract]

(1)Basis of Presentation

The accompanying consolidated financial statements include the accounts of Mid Penn Bancorp, Inc. (“Mid Penn” or the “Corporation”) and its wholly-owned subsidiary, Mid Penn Bank (the “Bank”). During the first six months of 2020, Mid Penn established a non-bank subsidiary, MPB Financial Services, LLC under which two additional non-bank subsidiaries have been established: (i) MPB Wealth Management, LLC, created to expand the wealth management function of the Corporation, and (ii) MPB Risk Services, LLC, created to fulfill the insurance needs of both existing and potential customers of the Corporation. As of June 30, 2020, the accounts and activities of these three new non-bank subsidiaries were not material to warrant separate disclosure or segment reporting. All material intercompany accounts and transactions have been eliminated in consolidation.

Certain information and disclosures normally included in consolidated financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Mid Penn believes the information presented is not misleading and the disclosures are adequate. For comparative purposes, the period ending June 30, 2019 and December 31, 2019 balances have been reclassified, when necessary, to conform to the 2020 presentation. Such reclassifications had no impact on net income. The results of operations for interim periods are not necessarily indicative of operating results expected for the full year. Except for adjustments made related to the adoption of new accounting standards, in the opinion of management, all adjustments necessary for fair presentation of the periods presented have been reflected in the accompanying consolidated financial statements. All such adjustments are of a normal, recurring nature. These interim consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2019.

Mid Penn has evaluated events and transactions occurring subsequent to the balance sheet date of June 30, 2020, for items that should potentially be recognized or disclosed in these consolidated financial statements. The evaluation was conducted through the issuance date of these consolidated financial statements.