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Note 13 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Current Income Tax Expense (Benefit), Total $ 34,900  
Tax Benefits Related to Operating Loss and Capital Loss Carryforwards 13,800  
Current State and Local Tax Expense (Benefit) $ 4,910 $ 1,228
Effective Income Tax Rate Reconciliation, Percent, Total 19.00% 17.90%
Deferred Tax Assets, Valuation Allowance, Total $ 22,716 $ 31,701
Open Tax Year 2016 2017 2018 2019 2020 2021  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 700 600
Income Tax Expense (Benefit) [Member]    
Income Tax Examination, Penalties and Interest Expense, Net Reversal   1,000
State and Local Jurisdiction [Member]    
Tax Benefits Related to State Net Operating Loss Carryforwards 800  
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount $ (1,100) $ (1,100)