Other Assets - Schedule of Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other Assets
Restricted investments		$ 1,171
Investments - equity securities	$ 450	2,623
Accounts receivable, net	13,813	10,791
Homesite sales receivable	7,651	5,675	$ 5,211
Notes receivable, net	12,377	10,877
Inventory	2,797	2,026
Prepaid expenses	7,175	7,135
Straight-line rent	2,489	3,174
Operating lease, right-of use assets	$ 732	$ 808
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total other assets	Total other assets
Other assets	$ 5,987	$ 5,743
Retained interest investments	13,826	12,905
Accrued interest receivable for Senior Notes held by SPE	2,938	2,938
Total other assets	$ 70,235	$ 65,866