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Acquisition of MidCoast Community Bancorp, Inc (Details) $ / shares in Units, shares in Thousands |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 17, 2020 USD ($) $ / shares shares | Jun. 30, 2019 Branches $ / shares | Jun. 30, 2020 USD ($) | Dec. 31, 2019 USD ($)
Acquisition [Abstract] |  |  |  |
Purchased credit-impaired loans |  |  | $ 6,003,000 | $ 1,282,000
MidCoast Community Bancorp, Inc [Member] |  |  |  |
Acquisition [Abstract] |  |  |  |
Equity interest percentage |  | 100.00% |  |
Right to receive cash for each share of common stock (in dollars per share) | $ / shares |  | $ 6.50 |  |
Total purchase price | $ 26,843,000 |  |  |
Number of shares issued (in shares) | shares | 373,356 |  |  |
Cash | $ 7,600,000 |  |  |
Share price (in dollars per share) | $ / shares | $ 51.50 |  |  |
Purchased credit-impaired loans | $ 4,869,000 |  |  |
MidCoast Community Bancorp, Inc [Member] | Wilmington [Member] |  |  |  |
Acquisition [Abstract] |  |  |  |
Number of branches | Branches |  | 2 |  |
MidCoast Community Bancorp, Inc [Member] | Dover [Member] |  |  |  |
Acquisition [Abstract] |  |  |  |
Number of branches | Branches |  | 1 |  |

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