Segment Information (Depreciation and Amortization) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Depreciation and amortization:
Depreciation and amortization	$ 39,864	$ 31,587	$ 30,027
Northeast [Member]
Depreciation and amortization:
Depreciation and amortization	1,852	1,987	1,790
Southeast [Member]
Depreciation and amortization:
Depreciation and amortization	2,666	1,647	1,028
Florida [Member]
Depreciation and amortization:
Depreciation and amortization	2,150	1,334	1,640
Texas [Member]
Depreciation and amortization:
Depreciation and amortization	1,698	1,784	1,619
North [Member]
Depreciation and amortization:
Depreciation and amortization	4,414	2,265	1,709
Southwest [Member]
Depreciation and amortization:
Depreciation and amortization	4,002	2,969	3,143
Other Homebuilding [Member]
Depreciation and amortization:
Depreciation and amortization	19,548	16,248	16,168
Homebuilding [Member]
Depreciation and amortization:
Depreciation and amortization	36,330	28,234	27,097
Financial Services [Member]
Depreciation and amortization:
Depreciation and amortization	$ 3,534	$ 3,353	$ 2,930