Quarterly report pursuant to Section 13 or 15(d)

Benefit Plans - Additional Information (Details)

v3.10.0.1
Benefit Plans - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Jun. 30, 2018
Sep. 30, 2018
Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based payment expense $ 29,405 $ 34,891   $ 99,853 $ 94,588
Adjustments Due to ASU 2018-07          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based payment expense     $ (4,704)