Inventory (Capitalization of Interest) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Real Estate Inventory, Capitalized Interest Costs [Roll Forward]
Interest capitalized at beginning of period	$ 9,085	$ 3,713
Interest incurred	708	3,800
Interest charged to cost of sales	(1,002)	(14)
Interest charged to interest expense	0	(281)
Interest capitalized at end of period	$ 8,791	$ 7,218