Segment Information - Segment Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segments Information
Total segment income	$ 155,532	$ 242,674	$ 558,757	$ 716,203
Selling, general, and administrative expense	(419,102)	(424,385)	(1,245,540)	(1,193,668)
Depreciation and amortization	(18,207)	(23,552)	(61,369)	(49,297)
Other interest expense, net	(20,526)	(11,250)	(49,762)	(35,262)
Tax Receivable Agreement liability adjustment	0	0	0	(3,520)
Loss and expense on debt restructure		(24)		(10,445)
Other expense, net	(177)	(122)	(472)	(77)
Income before income taxes	125,345	228,177	484,040	666,068
Operating Segments
Segments Information
Total segment income	167,044	265,792	605,324	771,826
Other interest expense, net	(3,887)	(1,933)	(9,815)	(5,642)
Corporate, Non-Segment
Segments Information
Total segment income	(2,789)	(2,667)	(9,681)	(7,157)
Other interest expense, net	(16,639)	(9,317)	(39,947)	(29,620)
Good Sam Services and Plans | Operating Segments
Segments Information
Total segment income	23,946	18,030	67,242	62,415
Depreciation and amortization	(979)	(723)	(2,478)	(2,292)
Other interest expense, net	(22)	1	(24)	1
RV and Outdoor Retail | Operating Segments
Segments Information
Total segment income	143,098	247,762	538,082	709,411
Depreciation and amortization	(17,228)	(22,829)	(58,891)	(47,005)
Other interest expense, net	$ (3,865)	$ (1,934)	$ (9,791)	$ (5,643)