Summary of Significant Accounting Policies - Description of Business (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) location segment	Dec. 31, 2020 location	Dec. 31, 2019
Segments Information
Number of reportable segments | segment	2
Number of stores, beginning of period	171
Opened	16
Closed/divested	(1)
Reopened	1
Number of stores, end of period	187	171
RV Dealerships
Segments Information
Number of stores, beginning of period	160
Opened	16
Closed/divested	(1)
Reopened	1
Converted	(1)
Number of stores, end of period	175	160
RV Service And Retail Centers
Segments Information
Number of stores, beginning of period	10
Number of stores, end of period	10	10
Other Retail Stores
Segments Information
Number of stores, beginning of period	1
Converted	1
Number of stores, end of period	2	1
Maximum
Segments Information
Allowance for non-current receivables | $	$ 0.1
CWGS, LLC
Segments Information
Ownership interest	100.00%	100.00%
CWH | CWGS, LLC
Segments Information
Ownership interest	51.20%	47.40%	42.00%