Annual report pursuant to Section 13 and 15(d)

Income Taxes (Unrecognized Tax Benefit) (Details)

v3.20.4
Income Taxes (Unrecognized Tax Benefit) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Reconciliation of unrecognized tax benefit      
Unrecognized tax benefits balance at beginning of year $ 18,939 $ 15,628 $ 18,312
Additions based on tax positions related to the current year 1,420 2,261 1,907
Additions (reductions) based on tax positions related to prior years (2,793)   (3,976)
Additions based on tax positions related to prior years   1,050  
Reductions for settlements with taxing authorities related to prior years (2,434) 0 (615)
Unrecognized tax benefits balance at end of year 15,132 18,939 $ 15,628
Unrecognized tax benefits that would impact effective tax rate, if recognized 15,132    
Decrease in unrecognized tax benefits is possible in next twelve months 1,495    
Potential interest and penalties related to unrecognized tax benefits included in income tax expense (benefit) (4,875) 1,476  
Accrued interest and penalties on unrecognized tax benefits $ 1,383 $ 7,336