Income Taxes - Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Taxes
Effective tax rates on continuing operations	21.60%	16.70%	(4.30%)
Federal statutory income tax rate (as a percent)	21.00%	21.00%	21.00%
Income taxes at the federal statutory rate	$ 139,978	$ 81,521	$ 49,530
Increases (decreases) resulting from-
Net state income taxes	25,748	14,278	9,376
Net unrecognized tax benefits	9,549	9,049	(17,922)
Nondeductible expenses	9,921	5,774	4,045
R&D tax credit	(36,216)	(43,791)	(51,398)
Other	(4,852)	(2,035)	(3,720)
Provision (benefit) for income taxes	$ 144,128	$ 64,796	$ (10,089)