Annual report pursuant to Section 13 and 15(d)

Income Taxes (Unrecognized Tax Benefit) (Details)

v3.10.0.1
Income Taxes (Unrecognized Tax Benefit) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Reconciliation of unrecognized tax benefit      
Unrecognized tax benefits balance at beginning of year $ 18,312 $ 16,476 $ 14,129
Additions based on tax positions related to the current year 1,907 1,691 1,153
Decrease based on tax positions related to prior years (3,976)    
Additions based on tax positions related to prior years   145 1,257
Reductions for settlements with taxing authorities (615) 0 0
Reductions for lapses of statute of limitations 0 0 (63)
Unrecognized tax benefits balance at end of year 15,628 18,312 $ 16,476
Unrecognized tax benefits that would impact effective tax rate, if recognized 15,628    
Potential interest and penalties related to unrecognized tax benefits included in income tax expense 126 1,690  
Accrued interest and penalties on unrecognized tax benefits $ 5,977 $ 6,018