Segments Information - Segment Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Segments Information
Total segment income	$ 13,265	$ 16,882
Selling, general, and administrative expense	(267,656)	(268,065)
Depreciation and amortization	(14,078)	(13,594)
Other interest expense, net	(14,658)	(17,643)
Tax Receivable Agreement liability adjustment		8,477
Loss before income taxes	(9,997)	(3,894)
Operating Segments
Segments Information
Total segment income	21,468	22,039
Other interest expense, net	(1,892)	(2,148)
Corporate, Non-Segment
Segments Information
Selling, general, and administrative expense	(2,729)	(3,173)
Other interest expense, net	(12,766)	(15,495)
Good Sam Services and Plans | Operating Segments
Segments Information
Total segment income	21,340	22,414
Depreciation and amortization	(756)	(852)
RV and Outdoor Retail | Operating Segments
Segments Information
Total segment income	128	(375)
Depreciation and amortization	(13,322)	(12,742)
Other interest expense, net	$ (1,892)	$ (2,148)