Revenue Recognition - Summary of Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jan. 01, 2021
Contract assets:
Billed accounts receivable, net of allowance for doubtful accounts	$ 52,940	$ 22,286	$ 39,976
Unbilled accounts receivable	4,478	12,110	745
Total contract assets	57,418	34,396	40,721
Contract liabilities:
Deferred revenue	118,246	98,488	80,642
Total contract liabilities	$ 118,246	$ 98,488	$ 80,642