XML 71 R59.htm IDEA: XBRL DOCUMENT v3.21.2
Stock Based Compensation - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]        
Stock-based compensation expense $ 26,684 $ 26,903 $ 84,161 $ 78,543