Income Taxes - Provision for income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current:
Federal	$ 34,205	$ 56,236	$ 52,145
State and local	8,010	11,411	9,096
Foreign	0	0	(48)
Total current income tax provision	42,215	67,647	61,193
Deferred:
Federal	(53,476)	2,882	6,616
State and local	(7,278)	10,770	3,087
Foreign	(1,188)	(738)	293
Total deferred income tax provision	(61,942)	12,914	9,996
Provision (benefit) for income taxes	$ (19,727)	$ 80,561	$ 71,189