Accrued Expenses - Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accounts Payable and Accrued Liabilities, Current [Abstract]
Payroll and other related benefits	$ 222,535	$ 218,588
Income tax payable	72,946	50,812
Bandwidth and co-location	72,904	67,170
Property, use and other taxes	33,883	35,390
Professional service fees	2,929	2,245
Other accrued expenses	6,393	6,263
Total	$ 411,590	$ 380,468