Segments Information - Segment income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Segments Information
Revenue	$ 1,806,118	$ 1,724,988	$ 5,195,590	$ 4,895,510
Depreciation and amortization	(25,654)	(20,583)	(71,617)	(59,905)
Long-lived asset impairment	(617)	(1,944)	(1,237)	(12,355)
Lease termination	(76)	2,625	31	2,585
(Loss) gain on sale or disposal of assets	(534)	5	104	(9,525)
Stock-based compensation	(7,750)	(5,573)	(23,464)	(16,167)
Other interest expense, net	(30,982)	(35,877)	(92,349)	(108,124)
Tax Receivable Agreement liability adjustment	(149,172)	0	(149,172)	0
Income (loss) before income taxes	178,108	6,007	225,799	(22,492)
Operating Segments
Segments Information
Revenue	1,809,783	1,728,321	5,206,811	4,906,932
Segment Adjusted EBITDA	98,750	71,731	280,041	192,855
Corporate SG&A excluding SBC	(2,770)	(3,478)	(10,161)	(9,405)
Depreciation and amortization	(25,654)	(20,583)	(71,617)	(59,905)
Long-lived asset impairment	(617)	(1,944)	(1,237)	(12,355)
Lease termination	(76)	2,625	31	2,585
(Loss) gain on sale or disposal of assets	(534)	5	104	(9,525)
Stock-based compensation	(7,750)	(5,573)	(23,464)	(16,167)
Loss and impairment on investments in equity securities	(1,163)	(162)	(3,920)	(337)
Other interest expense, net	(30,982)	(35,877)	(92,349)	(108,124)
Tax Receivable Agreement liability adjustment	149,172		149,172
Intersegment Eliminations
Segments Information
Revenue	(3,665)	(3,333)	(11,221)	(11,422)
Income (loss) before income taxes	(268)	(737)	(801)	(2,114)
Good Sam Services and Plans Segment
Segments Information
Revenue	52,508	50,841	152,929	149,070
Good Sam Services and Plans Segment | Operating Segments
Segments Information
Revenue	52,672	50,639	153,989	150,027
Segment Adjusted EBITDA	21,591	23,659	67,859	75,280
Depreciation and amortization	(1,552)	(813)	(3,578)	(2,502)
Other interest expense, net	15	21	88	61
Good Sam Services and Plans Segment | Intersegment Eliminations
Segments Information
Revenue	164	(202)	1,060	957
RV and Outdoor Retail Segment
Segments Information
Revenue	1,753,610	1,674,147	5,042,661	4,746,440
RV and Outdoor Retail Segment | Operating Segments
Segments Information
Revenue	1,757,111	1,677,682	5,052,822	4,756,905
Segment Adjusted EBITDA	77,159	48,072	212,182	117,575
Depreciation and amortization	(24,102)	(19,770)	(68,039)	(57,403)
Other interest expense, net	(6,381)	(7,758)	(19,090)	(24,114)
RV and Outdoor Retail Segment | Intersegment Eliminations
Segments Information
Revenue	$ 3,501	$ 3,535	$ 10,161	$ 10,465