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Inventory Additional Information (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($) | May 03, 2017 community lot
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Number of units in real estate property | lot |  |  |  |  | 4,600
Number of communities | community |  |  |  |  | 2
Number of lots, monetize | lot |  |  |  |  | 400
Land-related charges - NRV Impairments Re acquisition writeoffs | $ 120,500 |  | $ 120,500 |  |
Carrying amount impaired land-prior impairment | 161,900 |  | 161,900 |  |
Write-offs of deposits and pre-acquisition costs | $ 5,063 | $ 7,414 | $ 6,718 | $ 10,454 |
Minimum |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Discount rate |  |  | 18.00% |  |
Maximum |  |  |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |  |  |
Discount rate |  |  | 25.00% |  |

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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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