Income Taxes - Summary of Income Tax Provision from Continuing Operations Resulted in Effective Tax Rates (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Income tax expense at federal statutory rate	$ 62,569	$ 55,114	$ 60,575
State income taxes, net of federal benefit	8,643	10,567	8,430
Detriment from foreign tax rates	4,375	1,175	3,425
Other expenses not deductible for tax purposes	2,819	3,079	4,362
Adjustment to reserve for uncertain tax positions	2,665	(1,231)	2,504
Impact of 2017 U.S. tax reform	0	0	(1,088)
Sale of Ringtail business	0	0	(2,097)
Share-based compensation	(6,167)	(6,560)	(4,447)
Effective Income Tax Rate Reconciliation, Release Of Valuation Allowance On Foreign Tax Credits	0	(7,336)	0
Release of valuation allowance on foreign tax credits	(4,859)	0	0
Income tax benefit related to the License Agreement, net	0	(3,899)	0
Valuation allowance on foreign net operating loss carryforward	(5,063)	0	0
Valuation allowance on U.S. foreign tax credit carryforwards	3,536	0	0
Deferred tax benefit of U.K. tax rate change	(3,167)	0	0
Other adjustments, net	(2,370)	855	60
Income tax provision	$ 62,981	$ 51,764	$ 71,724