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Income Taxes (Details 1) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Summary of the items that caused recorded income taxes to differ from taxes computed using the statutory tax rate      
Tax expense at statutory rate $ 12,768 $ 5,002 $ 7,451
Effect of state income taxes, net of federal benefit 1,649 664 987
Exempt income (43) (27) (26)
Effect of stock-based compensation (115) (30) (693)
Other (167) (118) (98)
Income tax expense $ 14,092 $ 5,491 $ 7,621