Income Taxes - Effective Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reconciliation of the Federal statutory income tax rate to the effective income tax rate, Amount
Federal statutory income tax expense	$ 64,927	$ 73,754	$ 73,289
State and local taxes, net of federal income tax benefit	13,000	16,584	16,503
Tax credits	(4,506)	(3,963)	(2,745)
Nontaxable income	(6,691)	(1,133)	(3,274)
Other	7,461	284	(512)
Total provision for income taxes	$ 74,191	$ 85,526	$ 83,261
Reconciliation of the Federal statutory income tax rate to the effective income tax rate, Percent
Federal statutory income tax rate, Percent	21.00%	21.00%	21.00%
State and local taxes, net of federal income tax benefit (as a percent)	4.20%	4.72%	4.73%
Tax credits (as a percent)	(1.46%)	(1.13%)	(0.79%)
Nontaxable income (as a percent)	(2.16%)	(0.32%)	(0.94%)
Other (as a percent)	2.42%	0.08%	(0.14%)
Effective Income Tax Rate Reconciliation, Percent, Total	24.00%	24.35%	23.86%