Real Estate Inventories and Capitalized Interest - Interest Incurred, Capitalized, and Expensed (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Real Estate [Abstract]
Interest incurred	$ 1,689	$ 1,048	$ 2,970	$ 1,926
Interest capitalized	(1,689)	(1,048)	(2,970)	(1,926)
Interest expense	0	0	0	0
Capitalized Interest [Roll Forward]
Capitalized interest in beginning inventory	4,823	2,847	4,190	2,328
Interest capitalized as a cost of inventory	1,689	1,048	2,970	1,926
Contribution to unconsolidated joint venture	0	(264)	0	(264)
Inventory previously capitalized as cost of inventory, included in cost of sales	(1,063)	(121)	(1,711)	(480)
Capitalized interest in ending inventory	$ 5,449	$ 3,510	$ 5,449	$ 3,510