Segment Information (Depreciation and Amortization) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Depreciation and amortization:
Depreciation and amortization	$ 49,429	$ 50,998	$ 54,007
Northeast [Member]
Depreciation and amortization:
Depreciation and amortization	2,093	2,392	2,133
Southeast [Member]
Depreciation and amortization:
Depreciation and amortization	5,231	5,117	5,350
Florida [Member]
Depreciation and amortization:
Depreciation and amortization	4,893	4,883	4,955
Texas [Member]
Depreciation and amortization:
Depreciation and amortization	3,082	3,301	3,673
Midwest [Member]
Depreciation and amortization:
Depreciation and amortization	4,271	4,449	5,099
West [Member]
Depreciation and amortization:
Depreciation and amortization	6,758	5,828	6,739
Other Homebuilding [Member]
Depreciation and amortization:
Depreciation and amortization	18,908	21,326	22,467
Home Building [Member]
Depreciation and amortization:
Depreciation and amortization	45,236	47,296	50,416
Financial Services [Member]
Depreciation and amortization:
Depreciation and amortization	$ 4,193	$ 3,702	$ 3,591