Income Taxes and Related Payments - Components of provision for income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal	$ 21,776	$ 25,903	$ 53,131
State and local	6,580	6,870	14,990
Foreign	1,036	521	523
Total	29,392	33,294	68,644
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal	36,128	25,670	32,655
State and local	6,368	4,486	5,727
Total	42,496	30,156	38,382
Income tax expense	$ 71,888	$ 63,450	$ 107,026