Segment Information - Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Segments Information
Assets	$ 4,800,147	$ 4,372,929
Operating Segments
Segments Information
Assets	4,579,195	4,008,205
Corporate, Non-Segment
Segments Information
Assets	220,952	364,724
Good Sam Services and Plans | Operating Segments
Segments Information
Assets	130,841	158,988
RV and Outdoor Retail | Operating Segments
Segments Information
Assets	$ 4,448,354	$ 3,849,217