Income Taxes - Provision For Income Tax Rate To Statutory Rate Reconciliation (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Provision (benefit) at statutory rate	$ 172,040,000	$ (3,303,000)	$ 117,057,000
State taxes, net of federal benefit	16,568,000	822,000	14,165,000
Foreign rate differential	4,303,000	60,000	1,665,000
Foreign derived intangible income	0	0	(3,108,000)
Research and development credit	(8,046,000)	(8,442,000)	(8,200,000)
Unrecognized tax benefits including interest and penalties	(6,554,000)	(8,567,000)	289,000
Valuation allowance adjustments	(1,928,000)	9,675,000	8,070,000
State credits	(5,403,000)	(13,106,000)	(4,704,000)
Global intangible low-taxed income	1,143,000	1,480,000	1,113,000
Adjustments for previously accrued taxes	(8,500,000)	(4,951,000)	(1,755,000)
Executive compensation limitation	3,104,000	2,543,000	2,620,000
Other foreign inclusions	34,000	4,415,000	4,202,000
Other	2,452,000	2,346,000	2,366,000
Total Current and Deferred	$ 169,213,000	$ (17,028,000)	$ 133,780,000