Goodwill and Intangible Assets - Finite-lived Intangible Assets and Related Accumulated Amortization (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Intangible Assets
Cost or Fair Value	$ 62,050	$ 55,637
Accumulated Amortization	(42,581)	(41,920)
Net	$ 19,469	$ 13,717
Weighted Average Useful Life	11 years 7 months 6 days	11 years 2 months 12 days
Amortization expense	$ 3,600	$ 3,800	$ 13,500
Good Sam Services and Plans | Membership, customer lists and other
Intangible Assets
Cost or Fair Value	9,740	9,640
Accumulated Amortization	(9,537)	(9,246)
Net	$ 203	$ 394
Weighted Average Useful Life	5 years 3 months 18 days	5 years 4 months 24 days
Good Sam Services and Plans | Trademarks and trade names
Intangible Assets
Cost or Fair Value	$ 2,132	$ 2,132
Accumulated Amortization	(379)	(238)
Net	$ 1,753	$ 1,894
Weighted Average Useful Life	15 years	15 years
Good Sam Services and Plans | Websites and developed technology
Intangible Assets
Cost or Fair Value	$ 3,650	$ 3,050
Accumulated Amortization	(1,614)	(1,118)
Net	$ 2,036	$ 1,932
Weighted Average Useful Life	6 years 8 months 12 days	7 years
RV and Outdoor Retail | Customer lists and domain names
Intangible Assets
Cost or Fair Value	$ 4,154	$ 5,543
Accumulated Amortization	(2,752)	(3,269)
Net	$ 1,402	$ 2,274
Weighted Average Useful Life	5 years 6 months	5 years 3 months 18 days
RV and Outdoor Retail | Supplier lists and agreements
Intangible Assets
Cost or Fair Value	$ 9,500	$ 1,696
Accumulated Amortization	(594)	(1,102)
Net	$ 8,906	$ 594
Weighted Average Useful Life	11 years	5 years
RV and Outdoor Retail | Trademarks and trade names
Intangible Assets
Cost or Fair Value	$ 26,526	$ 27,251
Accumulated Amortization	(22,005)	(21,390)
Net	$ 4,521	$ 5,861
Weighted Average Useful Life	15 years	15 years
RV and Outdoor Retail | Websites and developed technology
Intangible Assets
Cost or Fair Value	$ 6,348	$ 6,325
Accumulated Amortization	(5,700)	(5,557)
Net	$ 648	$ 768
Weighted Average Useful Life	10 years 1 month 6 days	10 years