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Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Components Of Income Tax Expense Benefit Continuing Operations [Abstract]      
Beginning balance $ 312 $ 3,180 $ 1,800
Increase related to prior year tax positions 2,173 4 3,036
Decrease related to prior year tax positions (54) (33) (287)
Increase related to current year tax positions 956 191  
Decrease related to settlements with taxing authorities   (3,030) (171)
Decrease related to lapsing of statute of limitations     (1,198)
Ending balance $ 3,387 $ 312 $ 3,180