Land and Other Inventories (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Inventory, Land Held for Development and Sale	$ 21,392		$ 21,392		$ 20,844
Land and other inventories	619,881		619,881		383,184
Interest Expense
Interest incurred	7,501	$ 6,716	21,002	$ 11,403
Interest capitalized	(5,661)	(3,875)	(13,499)	(8,451)
Interest expense	1,840	$ 2,841	7,503	$ 2,952
Primary residential [Member]
Property, Plant and Equipment [Line Items]
Land developed and in process of development	350,712		350,712		269,764
Homes completed or under construction	$ 247,777		$ 247,777		$ 92,576