Supplemental Disclosure to Cash Flows - Summary of Supplemental Non-Cash and Other Cash Flow Information (Details) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Supplemental Cash Flow Elements [Abstract]
Cash and cash equivalents	$ 356,332	$ 155,440	$ 172,250
Restricted cash	106	111	105
Total cash, cash equivalents and restricted cash shown in the statements of cash flows	356,438	155,551	172,355	$ 351,027
Cash paid for income taxes, net of refunds	5,108	10,893	3,669
Non-cash transactions:
Property and equipment purchases in accounts payable	$ 1,994	$ 878	834
Non-cash purchase consideration related to business combinations	3,920
Commission payable converted to stock-based award			$ 314