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Inventory And Land Held for Sale (Narrative) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Inventory Disclosure [Abstract]
Impairment of Real Estate	$ 1,652,000	$ 2,796,000	$ 1,935,000	$ 7,310,000
Capitalized interest related to inventory impairments expensed to cost of revenues	1,700,000	2,200,000	1,900,000	3,000,000
Net realizable value adjustments - land held for sale	2,103,000	360,000	2,183,000	1,003,000
Write-off of deposits and pre-acquisition costs	$ 250,000	$ 166,000	$ 591,000	$ 905,000