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Inventory - Schedule of Discounted Cash Flow Analysis (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2016 USD ($) lot Community | Mar. 31, 2016 USD ($) lot Community
Real Estate, Write-down or Reserve [Line Items] |  |
Number of Communities Impaired | Community | 1 | 1
Discounted Cash Flow Analyses, Number of Lots Impaired | lot | 34 | 34
Inventory Impairment, Results of Discounted Cash Flow Analysis | $ 1,825 | $ 1,825
Estimated Fair Value of Impaired Inventory | $ 5,518 | $ 5,518
Continuing Operations | Corporate and unallocated |  |
Real Estate, Write-down or Reserve [Line Items] |  |
Number of Communities Impaired | Community | 0 | 0
Discounted Cash Flow Analyses, Number of Lots Impaired | lot | 0 | 0
Inventory Impairment, Results of Discounted Cash Flow Analysis | $ 312 | $ 312
Estimated Fair Value of Impaired Inventory | $ 0 | $ 0
Continuing Operations | West Segment |  |
Real Estate, Write-down or Reserve [Line Items] |  |
Number of Communities Impaired | Community | 1 |
Discounted Cash Flow Analyses, Number of Lots Impaired | lot | 34 |
Inventory Impairment, Results of Discounted Cash Flow Analysis | $ 1,513 |
Estimated Fair Value of Impaired Inventory | $ 5,518 |
Continuing Operations | West Segment | Operating Segments |  |
Real Estate, Write-down or Reserve [Line Items] |  |
Number of Communities Impaired | Community |  | 1
Discounted Cash Flow Analyses, Number of Lots Impaired | lot |  | 34
Inventory Impairment, Results of Discounted Cash Flow Analysis |  | $ 1,513
Estimated Fair Value of Impaired Inventory |  | $ 5,518

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