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Inventory - Quantitative unobservable inputs for inventory impairment (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
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Mar. 31, 2016 USD ($) home | Mar. 31, 2016 USD ($) home
Inventory Disclosure [Abstract] |  |
Unobservable Inputs, Average Selling Price | $ | $ 409 | $ 409
Unobservable Inputs, Closings per Community per Month | home | 2 | 2
Unobservable Inputs, Discount Rate | 15.33% | 15.33%

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- Definition Fair Value Inputs, Average Selling Price + References No definition available. + Details
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- Definition Fair Value Inputs, Closings per community per month + 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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- References No definition available. + Details
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