Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Net operating loss carryforwards	$ 47,235	$ 47,551
Uncertain tax positions	35,574	18,565
Operating lease liabilities	30,634	34,803
Stock-based compensation	25,578	24,738
Employee benefits	12,902	13,290
Research and development credits	5,393	9,847
Allowance for doubtful accounts	3,522	3,193
Other	1,960	6,856
Valuation allowance	(14,936)	(15,398)
Total deferred tax assets	147,862	143,445
Other intangible assets	(173,895)	(147,960)
Operating lease right-of-use assets	(29,296)	(33,304)
Deferred revenue	(19,521)	(26,839)
Property and equipment	(5,785)	(6,052)
Accounting method change	(34)	(10,781)
Total deferred tax liabilities	(228,531)	(224,936)
Net deferred tax liabilities	$ (80,669)	$ (81,491)