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Inventory - Impairments and Lot Option Abandonment Charges, by Reportable Segment (Details) - USD ($) | 3 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Real Estate, Write-down or Reserve [Line Items] |  |
Inventory Impairment, Results of Discounted Cash Flow Analysis | $ 0 |
Inventory impairments and option contract abandonments | 1,356,000 | $ 0
Inventory Impairment and Abandonment | 1,356,000 | $ 0
Continuing Operations |  |
Real Estate, Write-down or Reserve [Line Items] |  |
Land Held for Sale | 568,000 |
Continuing Operations | East Segment |  |
Real Estate, Write-down or Reserve [Line Items] |  |
Land Held for Sale | 197,000 |
Continuing Operations | Southeast Segment |  |
Real Estate, Write-down or Reserve [Line Items] |  |
Land Held for Sale | 371,000 |
Abandonments: | $ 788,000 |

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- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2611-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28360613&loc=d3e4542-108314 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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