Investments In Unconsolidated Entities (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Schedule of Equity Method Investments [Line Items]
Equity in earnings of unconsolidated entities	$ 1,985	$ (8,337)	$ (7,355)
Capital and earnings distributions received from unconsolidated entities	9,400	10,900	6,000
Payments to Acquire Interest in Subsidiaries and Affiliates	(23,000)	(14,500)
Joint Venture Debt Total	59,500	4,605
Joint Venture Debt Company Proportionate Share Total	56,300
Homebuilding [Member]
Schedule of Equity Method Investments [Line Items]
Equity in earnings of unconsolidated entities	2,610	(7,806)	(7,355)
Financial Services [Member]
Schedule of Equity Method Investments [Line Items]
Equity in earnings of unconsolidated entities	$ (625)	$ (531)	$ 0
Unconsolidated Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%