Income Taxes Income Taxes Details 3 (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Taxes [Abstract]
Computed tax provision at the applicable federal statutory income tax rate	$ 153,255	$ 141,838	$ 148,807
State and local taxes, net of federal income tax benefits	27,298	20,224	26,047
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount	$ 3,501	$ 3,651	$ 4,156
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent	0.50%	0.50%	0.50%
Effective Income Tax Rate Reconciliation, Tax Credit, Amount	$ 737	$ 178	$ 1,001
Effective Income Tax Rate Reconciliation, Tax Credit, Percent	0.10%	0.00%	0.10%
Enactment of US Tax Reform	$ (551)	$ (1,084)	$ 110
Other	153	(16)	(183)
Provision for income taxes	$ 186,938	$ 156,665	$ 170,945
Total effective tax rate	25.60%	23.20%	24.10%
Effective Income Tax Rate Reconciliation [Line Items]
Computed tax provision at the applicable federal statutory income tax rate	$ 153,255	$ 141,838	$ 148,807
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	21.00%
State and local taxes, net of federal income tax benefits	$ 27,298	$ 20,224	$ 26,047
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent	3.70%	3.00%	3.70%
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount	$ 3,501	$ 3,651	$ 4,156
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent	0.50%	0.50%	0.50%
Effective Income Tax Rate Reconciliation, Tax Credit, Amount	$ 737	$ 178	$ 1,001
Effective Income Tax Rate Reconciliation, Tax Credit, Percent	0.10%	0.00%	0.10%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount	$ (4,019)	$ (8,126)	$ (6,991)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent	(0.60%)	1.20%	(1.00%)
Enactment of US Tax Reform	$ (551)	$ (1,084)	$ 110
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent	(0.10%)	(0.10%)	0.00%
Other	$ 153	$ (16)	$ (183)
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent	0.00%	0.00%	0.00%
Total effective tax rate	25.60%	23.20%	24.10%
Provision for income taxes	$ 186,938	$ 156,665	$ 170,945
Other Nondeductible items
Effective Income Tax Rate Reconciliation [Line Items]
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount	$ (5,079)	$ (2,435)	$ (421)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent	(0.70%)	(0.40%)	0.00%
Stock Options
Effective Income Tax Rate Reconciliation [Line Items]
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount	$ (1,060)	$ (10,561)	$ (7,412)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent	(0.10%)	(1.60%)