Other Assets - Schedule of Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other Assets
Restricted investments	$ 2,364	$ 3,432
Accounts receivable, net	6,957	14,061
Homesite sales receivable	5,211	2,977	$ 2,585
Claim settlement receivable		2,679
Notes receivable	3,252	2,265
Income tax receivable	2,843	3,914
Prepaid expenses	6,592	6,751
Straight line rent	3,292	3,581
Operating lease, right-of use assets	691
Other assets	5,715	5,069
Retained interest investments	12,214	11,536
Accrued interest receivable for Senior Notes held by SPE	2,938	2,938
Total other assets	$ 52,069	$ 59,203