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Inventory And Land Held for Sale (Narrative) (Details) (USD $) | 3 Months Ended | 9 Months Ended
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Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Inventory Disclosure [Abstract] |  |  |  |
Impairment of Real Estate | $ 766,000 | $ 2,263,000 | $ 2,701,000 | $ 9,573,000
Capitalized interest related to inventory impairments expensed to cost of revenues | 800,000 | 1,900,000 | 2,700,000 | 4,900,000
Net realizable value adjustments - land held for sale | 85,000 | 249,000 | 2,268,000 | 1,252,000
Write-off of deposits and pre-acquisition costs | $ 811,000 | $ 893,000 | $ 1,402,000 | $ 1,798,000

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