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Income Taxes - Differences Between Federal Tax Rate and Company's Effective Tax Rate for Results of Continuing Operations (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Taxes [Abstract]      
U.S. tax at statutory rate $ 9,307 $ 11,782 $ 10,125
State income taxes, net of federal benefit 2,079 2,478 1,956
Shortfall (excess) equity compensation deduction 149 (246) (99)
Non-deductible expenses 629 1,258 1,040
Total income tax provision $ 12,164 $ 15,272 $ 13,022
U.S. tax at statutory rate 21.00% 21.00% 21.00%
State income taxes, net of federal benefit and tax reform 4.70% 4.40% 3.90%
Shortfall (excess) equity compensation deduction 0.30% (0.40%) 0.00%
Nondeductible expenses 1.40% 2.20% 2.10%
Total 27.40% 27.20% 27.00%