Income taxes - Schedule of Current and Deferred Income Tax (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current:
U.S. federal tax	$ 18,862	$ 47,880	$ 17,794
State and local tax	8,068	18,331	6,498
Non-U.S. operations	1,129	258	386
Total Current	28,059	66,469	24,678
Deferred:
U.S. federal tax	(10,420)	(1,745)	17,182
State and local tax	(4,538)	790	4,310
Non-U.S. operations	343	163	(156)
Total Deferred	(14,615)	(792)	21,336
Total income taxes	$ 13,444	$ 65,677	$ 46,014