Segments Information - Capital Expenditures (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 capital expenditures	$ 49,987	$ 22,626	$ 122,082	$ 49,796
Good Sam Services and Plans \| Operating Segments
Segments Information
Total capital expenditures	2,213	1,758	5,118	3,615
RV and Outdoor Retail \| Operating Segments
Segments Information
Total capital expenditures	$ 47,774	$ 20,868	$ 116,964	$ 46,181

Amount of expenditure for addition to long-lived assets included in determination of segment assets by chief operating decision maker (CODM) or otherwise regularly provided to CODM. Excludes expenditure for addition to financial instrument, long-term customer relationship of financial institution, mortgage and other servicing rights, deferred policy acquisition cost, and deferred tax assets.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
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-Topic 270
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