Land and Other Inventories (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Total Land and other inventories	$ 382,839		$ 382,839		$ 240,078
Interest Expense
Interest incurred	6,716	2,324	11,403	6,974
Interest capitalized	(3,875)	(3,344)	(8,451)	(4,459)
Interest expense	2,841	(1,020)	2,952	2,515
Active adult [Member]
Property, Plant and Equipment [Line Items]
Land held for future development or sale	20,845		20,845		58,423
Land developed and in process of development	84,986		84,986		57,138
Homes completed or under construction	48,179		48,179		25,478
Total Land and other inventories	154,010		154,010		141,039
Primary residential [Member]
Property, Plant and Equipment [Line Items]
Land developed and in process of development	163,768		163,768		77,983
Homes completed or under construction	56,435		56,435		11,013
Total Land and other inventories	220,203		220,203		88,996
Other Operations [Member]
Property, Plant and Equipment [Line Items]
Land developed and in process of development	$ 8,626		$ 8,626		$ 10,043