Annual report pursuant to Section 13 and 15(d)

Income Taxes (Unrecognized Tax Benefit) (Details)

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Income Taxes (Unrecognized Tax Benefit) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Reconciliation of unrecognized tax benefit      
Unrecognized tax benefits balance at beginning of year $ 15,132 $ 18,939 $ 15,628
Additions based on tax positions related to the current year 1,631 1,420 2,261
Reductions based on tax positions related to prior years (550) (2,793)  
Additions based on tax positions related to prior years     1,050
Reductions for settlements with taxing authorities related to prior years (394) (2,434) 0
Reductions for lapses of statute of limitations (1,302) 0 0
Unrecognized tax benefits balance at end of year 14,517 15,132 $ 18,939
Unrecognized tax benefits that would impact effective tax rate, if recognized 14,500    
Decrease in unrecognized tax benefits is possible in next twelve months 3,600    
Potential interest and penalties related to unrecognized tax benefits included in income tax expense (benefit) 600 (4,900)  
Accrued interest and penalties on unrecognized tax benefits $ 1,900 $ 1,400