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Income Taxes - Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Effective Income Tax Rate Reconciliation, Amount |  |  |
Income tax at federal statutory rate | $ 3,889 | $ 10,201 | $ 9,858
Tax effect of: |  |  |
State income taxes, net of federal income taxes | 456 | 1,099 | 1,435
Tax exempt earnings | (1,596) | (1,460) | (1,381)
Other | 1,379 | 42 | (380)
Income tax expense | $ 4,128 | $ 9,882 | $ 9,532
Effective Income Tax Rate Reconciliation, Percent |  |  |
Income tax at federal statutory rate (percentage) | 21.00% | 21.00% | 21.00%
Tax effect of: |  |  |
State income taxes, net of federal income taxes (percentage) | 2.50% | 2.20% | 3.10%
Tax exempt earnings (percentage) | (8.60%) | (3.00%) | (3.00%)
Other (percentage) | 7.40% | 0.10% | (0.80%)
Income tax expense (as a percentage) | 22.30% | 20.30% | 20.30%

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