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Inventory - Quantitative Unobservable Inputs for Inventory Impairment (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2016 USD ($) home | Jun. 30, 2016 USD ($) home
Quantitative unobservable inputs for inventory impairment [Line Items] |  |
Fair Value Inputs, Discount Rate | 14.15% |
Minimum |  |
Quantitative unobservable inputs for inventory impairment [Line Items] |  |
Fair Value Inputs, Average Selling Price | $ | $ 350 | $ 355
Fair Value Inputs, Closings per Community per Month | home | 2 | 2
Fair Value Inputs, Discount Rate |  | 14.15%
Maximum |  |
Quantitative unobservable inputs for inventory impairment [Line Items] |  |
Fair Value Inputs, Average Selling Price | $ | $ 560 | $ 560
Fair Value Inputs, Closings per Community per Month | home | 4 | 4
Fair Value Inputs, Discount Rate |  | 15.33%

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- Definition Fair Value Inputs, Closings per community per month + References No definition available. + Details
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- Definition [Line Items] for Quantitative unobservable inputs for inventory impairment [Table] + References No definition available. + Details
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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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