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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income Taxes |  |  |
Federal corporate income tax rate | 21.00% | 21.00% | 21.00%
Deferred tax assets |  |  |
Allowance for loan losses and OREO losses | $ 9,960 | $ 9,743 |
Nonqualified defined contribution plan | 3,948 | 3,595 |
Lease liabilities | 2,057 | 1,906 |
Fair value adjustments related to business combinations | 1,119 | 1,716 |
Share-based compensation | 752 | 920 |
Reserve for indemnification losses | 821 | 879 |
Accrued expenses | 352 | 779 |
Cash flow hedges | 158 | 471 |
Other | 1,275 | 1,364 |
Deferred tax assets | 20,442 | 21,373 |
Deferred tax liabilities |  |  |
Goodwill and other intangible assets | (3,114) | (3,164) |
Right of use assets | (1,938) | (1,868) |
Depreciation | (989) | (1,272) |
Net unrealized gain on securities available for sale | (116) | (1,169) |
Defined benefit plan | (677) | (345) |
Deferred tax liabilities | (6,834) | (7,818) |
Net deferred tax asset | $ 13,608 | $ 13,555 |

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