Segments Information - Segment Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segments Information
Total segment income	$ 87,926	$ 155,532	$ 279,202	$ 558,757
Depreciation and amortization	(17,619)	(18,207)	(49,462)	(61,369)
Other interest expense, net	(35,242)	(20,526)	(99,873)	(49,762)
Tax Receivable Agreement liability adjustment	1,680	0	1,680	0
Other income (expense), net	24	(177)	(1,659)	(472)
Income before income taxes	34,572	125,345	118,052	484,040
Operating Segments
Segments Information
Total segment income	89,227	167,044	278,426	605,324
Other interest expense, net	(7,110)	(3,887)	(19,783)	(9,815)
Corporate, Non-Segment
Segments Information
Total segment income	(3,498)	(2,789)	(11,060)	(9,681)
Other interest expense, net	(28,132)	(16,639)	(80,090)	(39,947)
Good Sam Services and Plans | Operating Segments
Segments Information
Total segment income	32,684	23,946	83,143	67,242
Depreciation and amortization	(735)	(979)	(2,461)	(2,478)
Other interest expense, net	68	(22)	177	(24)
RV and Outdoor Retail | Operating Segments
Segments Information
Total segment income	56,543	143,098	195,283	538,082
Depreciation and amortization	(16,884)	(17,228)	(47,001)	(58,891)
Other interest expense, net	$ (7,178)	$ (3,865)	$ (19,960)	$ (9,791)