Income Taxes - Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Amount
Federal statutory tax rate	$ 271,625	$ 139,978	$ 81,521
State and local income taxes, net of federal effect	30,277	21,648	14,537
Tax credits
R&D tax credit	(30,509)	(23,226)	(35,033)
Other	(19)
Nontaxable or nondeductible items	8,186	5,328	4,489
Other adjustments	(8,665)	400	(718)
Provision for income taxes	$ 270,895	$ 144,128	$ 64,796
Percent
Federal statutory tax rate	21.00%	21.00%	21.00%
State and local income taxes, net of federal effect	2.30%	3.20%	3.70%
Tax credits
R&D tax credit	(2.40%)	(3.50%)	(9.00%)
Nontaxable or nondeductible items	0.60%	0.80%	1.20%
Other adjustments	(0.60%)	0.10%	(0.20%)
Effective tax rate	20.90%	21.60%	16.70%

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 231
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-231