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Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Comprehensive Income Net Of Tax [Abstract] |  |  |  |
Unrealized holding gains (losses) on available-for-sale securities during the year, pre-tax |  | $ (15,333) | $ 16,651 | $ 17,513
Reclassification adjustment for gains included in net income, pre-tax | [1] | (838) | (385) | 11
Net unrealized holding gains (losses) |  | (16,171) | 16,266 | 17,524
Change in funded status of post-retirement plan, pre-tax |  | 48 |  |
Net other comprehensive income (loss), pre-tax |  | (16,123) | 16,266 | 17,524
Unrealized holding gains (losses) on available-for-sale securities during the year, tax |  | 3,220 | (3,970) | (3,666)
Tax provision related to net realized gain | [1] | 176 | (90) | (2)
Net unrealized gains (losses) on available-for-sale securities, tax |  | 3,396 | (4,060) | (3,668)
Change in funded status of post-retirement plan, tax |  | (10) |  |
Net other comprehensive income (loss), tax |  | 3,386 | (4,060) | (3,668)
Unrealized holding gains (losses) on available-for-sale securities during the year, after tax |  | (12,113) | 12,681 | 13,847
Reclassification adjustment for gains included in net income, after-tax | [1] | (662) | (475) | 9
Unrealized holding gains (losses), net of reclassification and tax |  | (12,775) | 12,206 | 13,856
Change in funded status of post-retirement plan, net of tax |  | 38 | 0 | 0
Other comprehensive income (loss), net of tax |  | $ (12,737) | $ 12,206 | $ 13,856
[1] | Pre-tax reclassification adjustments relating to available-for-sale securities are reported in security gains and the tax impact is included in income tax expense on the consolidated statements of income.

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