Segments Information - Capital Expenditures (Details) - Operating Segments - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Segments Information
Total capital expenditures	$ 84,890	$ 19,641	$ 206,972	$ 69,437
Good Sam Services and Plans
Segments Information
Total capital expenditures	2,581	2,068	7,699	5,683
RV and Outdoor Retail
Segments Information
Total capital expenditures	$ 82,309	$ 17,573	$ 199,273	$ 63,754

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
-SubTopic 10
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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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-Topic 280
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