Income Taxes - Reconciliation of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Amount
U.S. federal tax at statutory rate	$ 149,227	$ 159,029	$ 118,007
State and local income taxes, net of federal income tax effect	60	10	2
Tax credits	(1,432)	(2,000)	(1,300)
Nontaxable or nondeductible items	2,703	569	651
Other adjustments	710	(643)	(1,485)
Income tax expense	$ 151,268	$ 156,965	$ 115,875
Percent
U.S. federal tax at statutory rate	21.00%	21.00%	21.00%
State and local income taxes, net of federal income tax effect	0.00%	0.00%	0.00%
Tax credits	(0.20%)	(0.30%)	(0.20%)
Nontaxable or nondeductible items	0.40%	0.10%	0.10%
Other adjustments	0.10%	(0.10%)	(0.30%)
Income tax expense	21.30%	20.70%	20.60%
Tax Jurisdiction of Domicile [Extensible Enumeration]	UNITED STATES	UNITED STATES	UNITED STATES