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Income Tax - Reconciliation of Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Currently payable      
Federal $ 11,742 $ 16,914 $ 11,143
State 1,303 2,377 140
Deferred      
Federal 2,056 (7,970) 1,787
State 255 (1,451) 233
Total income tax expense 15,356 9,870 13,303
Reconciliation of federal statutory to actual tax expense      
Federal statutory income tax at 21% 21,514 16,457 16,767
Tax exempt interest (5,362) (4,090) (2,977)
Tax exempt income (604) (531) (587)
Stock compensation (250) (160) (324)
Other tax exempt income (404) (334) (313)
State tax 1,231 733 295
Tax credit investments (981) (2,284) 0
Nondeductible and other 212 79 442
Total income tax expense $ 15,356 $ 9,870 $ 13,303