Real Estate Inventories and Capitalized Interest - Interest Incurred, Capitalized, and Expensed (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Real Estate [Abstract]
Interest incurred	$ 1,281	$ 878
Interest capitalized	(1,281)	(878)
Interest expense	0	0
Capitalized Interest [Roll Forward]
Capitalized interest in beginning inventory	4,190	2,328
Interest capitalized as a cost of inventory	1,281	878
Inventory previously capitalized as cost of inventory, included in cost of sales	(648)	(359)
Capitalized interest in ending inventory	$ 4,823	$ 2,847