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Income Taxes - Provision for Income Taxes (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Provision for income taxes: |  |  |
Currently payable | $ 7,130 | $ 5,476 | $ 3,222
Deferred income tax benefit | (688) | (321) | (48)
Total provision for income taxes | 6,442 | 5,155 | 3,174
Expected tax expense, at the U.S. federal statutory income tax rate of 21% | 5,736 | 4,562 | 2,835
State income taxes | 827 | 692 | 378
FDII benefit | 144 | 120 | 55
Other, net | 23 | 21 | 16
Total provision for income taxes | $ 6,442 | $ 5,155 | $ 3,174

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