Fair Value Of Financial Instruments (Fair Value Of Impaired Inventory) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011
Segment Reporting Information [Line Items]
Fair Value of Impaired Inventory	$ 2,482
West [Member]
Segment Reporting Information [Line Items]
Fair Value of Impaired Inventory	2,234
Mountain [Member]
Segment Reporting Information [Line Items]
Fair Value of Impaired Inventory	248
Land And Land Under Development [Member]
Segment Reporting Information [Line Items]
Fair Value of Impaired Inventory	692
Land And Land Under Development [Member] | West [Member]
Segment Reporting Information [Line Items]
Fair Value of Impaired Inventory	444
Land And Land Under Development [Member] | Mountain [Member]
Segment Reporting Information [Line Items]
Fair Value of Impaired Inventory	248
Housing Completed Or Under Construction [Member]
Segment Reporting Information [Line Items]
Fair Value of Impaired Inventory	1,790
Housing Completed Or Under Construction [Member] | West [Member]
Segment Reporting Information [Line Items]
Fair Value of Impaired Inventory	$ 1,790