Notes and Other Receivables, Schedule of installment notes receivable (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2017 USD ($)
Collateralized receivables, net and Installment Notes Receivables on Manufactured Homes [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Increase to reserve balance	$ 58
Installment notes receivable on manufactured homes, gross [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning balance	59,524
Financed sales of manufactured homes	26,870
Principal payments and payoffs from our customers	(2,441)
Principal reduction from repossessed homes	(1,006)
Total activity	23,446
Ending balance	$ 82,970