Segment Information (Land-Related Charges By Segment) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information
Total land-related charges	$ 11,168	$ 9,672	$ 17,195
Northeast [Member]
Segment Reporting Information
Total land-related charges	2,824	557	1,794
Southeast [Member]
Segment Reporting Information
Total land-related charges	1,826	998	1,363
Florida [Member]
Segment Reporting Information
Total land-related charges	487	1,076	214
Texas [Member]
Segment Reporting Information
Total land-related charges	321	191	556
North [Member]
Segment Reporting Information
Total land-related charges	3,227	3,434	4,546
Southwest [Member]
Segment Reporting Information
Total land-related charges	816	472	2,254
Other Homebuilding [Member]
Segment Reporting Information
Total land-related charges	$ 1,667	$ 2,944	$ 6,468