Unconsolidated Joint Ventures - Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Equity Method Investments and Joint Ventures [Abstract]
Cash and cash equivalents	$ 45,945	$ 30,017
Restricted cash	19,205	15,041
Real estate inventories	374,607	396,850
Other assets	4,231	3,942
Total assets	443,988	445,850
Accounts payable and accrued liabilities	43,158	34,959
Notes Payable	71,299	78,341
Liabilities	114,457	113,300
The Company's equity	33,617	50,523
Other partners' equity	295,914	282,027
Total equity	329,531	332,550
Total liabilities and equity	$ 443,988	$ 445,850
Ratio of indebtedness to capital of equity method investments	17.80%	19.10%
Debt-to-equity ratio	21.60%	23.60%