XML 86 R71.htm IDEA: XBRL DOCUMENT v3.10.0.1
Share Based Award Stock Based Compensation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Stock compensation $ 24,241 $ 19,352 $ 15,242
Tax benefit from stock-based compensation cost 5,706 7,247 5,682
Indirect tax benefit 2,199 $ 1,374 $ 0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 28,000    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 11 months