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Business Combination - Purchase Price Allocation (Details) - USD ($) $ in Thousands | Jan. 01, 2020 | Sep. 30, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | --- | --- | --- | ---
Identifiable liabilities assumed: |  |  |  |  |
Goodwill resulting from acquisition |  | $ 25,191 | $ 25,191 | $ 25,191 | $ 14,425
Peoples Bankshares, Incorporated (Peoples) |  |  |  |  |
Purchase price |  |  |  |  |
Cash paid | $ 10,579 |  |  |  |
Common stock issued | 11,612 |  |  |  |
Total purchase price | 22,191 |  |  |  |
Identifiable assets acquired: |  |  |  |  |
Cash and cash equivalents | 29,680 |  |  |  |
Securities available for sale | 17,169 |  |  |  |
Loans | 124,195 |  |  |  |
Accrued interest receivable | 430 |  |  |  |
Corporate premises and equipment | 3,105 |  |  |  |
Other real estate owned | 281 |  |  |  |
Core deposit intangible asset | 1,711 |  |  |  |
Bank-owned life insurance | 3,591 |  |  |  |
Investment in small business investment company | 1,493 |  |  |  |
Other receivables | 5,234 |  |  |  |
Other assets | 3,658 |  |  |  |
Total identifiable assets acquired | 190,547 |  |  |  |
Identifiable liabilities assumed: |  |  |  |  |
Demand and savings deposits | 94,798 |  |  |  |
Time deposits | 77,018 |  |  |  |
Borrowings | 4,245 |  |  |  |
Accrued interest payable | 260 |  |  |  |
Salaries, benefits and deferred compensation | 2,054 |  |  |  |
Other liabilities | 747 |  |  |  |
Total identifiable liabilities assumed | 179,122 |  |  |  |
Net identifiable assets acquired | 11,425 |  |  |  |
Goodwill resulting from acquisition | $ 10,766 |  |  |  |
Amortization period (in years) | 15 years |  |  |  |

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