Segments Information - Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
Segments Information
Assets	$ 4,803,093	$ 4,800,147	$ 4,610,301
Operating Segments
Segments Information
Assets	4,630,893	4,579,195	4,343,765
Corporate, Non-Segment
Segments Information
Assets	172,200	220,952	266,536
Good Sam Services and Plans | Operating Segments
Segments Information
Assets	92,453	130,841	82,734
RV and Outdoor Retail | Operating Segments
Segments Information
Assets	$ 4,538,440	$ 4,448,354	$ 4,261,031