Real Estate Inventories and Capitalized Interest - Interest Incurred, Capitalized, and Expensed (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Real Estate [Abstract]
Interest incurred	$ 1,369	$ 534	$ 3,295	$ 1,079
Interest capitalized	(1,369)	(534)	(3,295)	(1,079)
Interest expense	0	0	0	0
Capitalized Interest [Roll Forward]
Capitalized interest in beginning inventory	3,510	1,495	2,328	1,003
Interest capitalized as a cost of inventory	1,369	534	3,295	1,079
Contributions to unconsolidated joint ventures	0	0	(264)	0
Inventory previously capitalized as cost of inventory, included in cost of sales	(396)	(65)	(876)	(118)
Real Estate Inventory, Capitalized Interest Costs, Other Expense	(39)	0	(39)	0
Capitalized interest in ending inventory	$ 4,444	$ 1,964	$ 4,444	$ 1,964