Acquisitions - Assets (Liabilities) Acquired (Assumed) at Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Tangible assets (liabilities) acquired (assumed):
Goodwill	$ 735,680	$ 622,545	$ 711,222	$ 622,423
Application of deposit paid in prior period	(8,873)	0
Cash paid for acquisitions, net of cash acquired	58,800	0
RV and Outdoor Retail
Tangible assets (liabilities) acquired (assumed):
Goodwill	711,446	598,311	686,988	598,189
RV and Outdoor Retail | 2024 Acquisitions
Tangible assets (liabilities) acquired (assumed):
Inventories, net	40,394
Property and equipment, net	287
Operating lease assets	15,328
Accrued liabilities	(40)
Current portion of operating lease liabilities	(1,112)
Other current liabilities	(21)
Operating lease liabilities, net of current portion	(14,216)
Total tangible net assets acquired	40,620
Total intangible assets acquired	2,595
Goodwill	24,458
Purchase price of acquisitions	67,673
Application of deposit paid in prior period	(8,873)
Cash paid for acquisitions, net of cash acquired	58,800
Inventory purchases financed via floor plan	(48,684)
Cash payment net of floor plan financing	10,116
RV and Outdoor Retail | 2023 Acquisitions
Tangible assets (liabilities) acquired (assumed):
Inventories, net		(122)
Property and equipment, net		0
Operating lease assets		0
Accrued liabilities		0
Current portion of operating lease liabilities		0
Other current liabilities		0
Operating lease liabilities, net of current portion		0
Total tangible net assets acquired		(122)
Total intangible assets acquired		0
Goodwill		122
Purchase price of acquisitions		0
Application of deposit paid in prior period		0
Cash paid for acquisitions, net of cash acquired		0
Inventory purchases financed via floor plan		0
Cash payment net of floor plan financing		0
Good Sam Services and Plans
Tangible assets (liabilities) acquired (assumed):
Goodwill	$ 24,234	$ 24,234	$ 24,234	$ 24,234