Segment Information - Other Interest Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segments Information
Other interest expense, net	$ 14,935	$ 11,789	$ 29,236	$ 24,012
Operating Segments
Segments Information
Other interest expense, net	3,177	1,907	5,928	3,709
Corporate, Non-Segment
Segments Information
Other interest expense, net	11,758	9,882	23,308	20,303
Good Sam Services and Plans | Operating Segments
Segments Information
Other interest expense, net	2	0	2	0
RV and Outdoor Retail | Operating Segments
Segments Information
Other interest expense, net	$ 3,175	$ 1,907	$ 5,926	$ 3,709