Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation Plans and Awards - Stock Options Narrative (Details)

v3.10.0.1
Stock-based Compensation Plans and Awards - Stock Options Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 27,528 $ 38,608 $ 53,964 $ 68,226
Stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 1,400 $ 4,000 $ 5,900 $ 2,100