Schedule of installment notes receivable (Details) - Installment notes receivable on manufactured homes, gross [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning balance	$ 113,495	$ 116,174
Financed sales of manufactured homes	341	14,237
Principal payments and payoffs from our customers	(8,710)	(8,966)
Principal reduction from repossessed homes	(8,901)	(7,950)
Total activity	(17,270)	(2,679)
Ending balance	$ 96,225	$ 113,495