Segments Information - Other Interest Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segments Information
Total other interest expense, net	$ 30,836	$ 36,153	$ 61,367	$ 72,247
Operating Segments
Segments Information
Total other interest expense, net	30,836	36,153	61,367	72,247
Subtotal
Segments Information
Total other interest expense, net	6,279	8,220	12,636	16,316
Corporate & other
Segments Information
Total other interest expense, net	24,557	27,933	48,731	55,931
Good Sam Services and Plans | Operating Segments
Segments Information
Total other interest expense, net	(21)	(22)	(73)	(40)
RV and Outdoor Retail | Operating Segments
Segments Information
Total other interest expense, net	$ 6,300	$ 8,242	$ 12,709	$ 16,356