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Note 12 - Federal and State Income Taxes - Components of Income Tax Expense (Benefit) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Current:      
Federal $ 6,314 $ (62) $ (56)
State 1,843 282 646
Total current income tax provision 8,157 220 590
Deferred:      
Federal 13,720 4,860 2,177
State 4,112 502 (552)
Total deferred income tax provision 17,832 5,362 1,625
Total income tax provision expense $ 25,989 $ 5,582 $ 2,215