Segment Reporting - Reconciliation of EBITDA to net income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
EBITDA by segment:
Total segment EBITDA	$ 16,913	$ 27,219	$ 62,676	$ 67,024
Interest, net	(6,714)	(7,323)	(20,235)	(22,334)
Income tax expense	(2,337)	(4,149)	(9,318)	(9,609)
Depreciation and amortization	(4,005)	(3,837)	(11,870)	(11,018)
Net income	$ 3,857	$ 11,910	$ 21,253	$ 24,063