Capitalized Interest Capitalized Interest (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Capitalized Interest [Abstract]
Capitalized interest, beginning of period	$ 13,944	$ 14,625	$ 13,802	$ 15,376
Interest capitalized to inventory	4,730	3,328	7,980	6,105
Capitalized interest charged to land and housing costs and expenses	(3,843)	(3,693)	(6,951)	(7,221)
Capitalized interest, end of period	14,831	14,260	14,831	14,260
Interest incurred	$ 7,460	$ 7,725	$ 14,880	$ 14,842