Segment Information - Segment Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segments Information
Total segment income	$ 799,544	$ 476,195	$ 8,747
Selling, general, and administrative expense	(1,573,609)	(1,156,071)	(1,141,643)
Depreciation and amortization	(66,418)	(51,981)	(59,932)
Other interest expense, net	(46,912)	(54,689)	(69,363)
Tax Receivable Agreement liability adjustment	(2,813)	141	10,005
Loss and expense on debt restructure	(13,468)
Other expense, net	(122)	0	0
Income (loss) before income taxes	734,199	401,958	(90,719)
Operating Segments
Segments Information
Total segment income	873,611	518,238	41,026
Other interest expense, net	(7,756)	(8,086)	(8,940)
Corporate, Non-Segment
Segments Information
Selling, general, and administrative expense	(9,679)	(9,751)	(12,455)
Other interest expense, net	(39,156)	(46,603)	(60,423)
Good Sam Services and Plans | Operating Segments
Segments Information
Total segment income	74,765	88,288	83,635
Depreciation and amortization	(3,009)	(3,474)	(4,304)
Other interest expense, net	3	(5)	1
RV and Outdoor Retail | Operating Segments
Segments Information
Total segment income	798,846	429,950	(42,609)
Depreciation and amortization	(63,409)	(48,507)	(55,628)
Other interest expense, net	$ (7,759)	$ (8,081)	$ (8,941)