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Land Under Development - Additional Information (Detail) $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Feb. 29, 2016 USD ($) Lot | Dec. 31, 2015 USD ($) Lot Parcel | Dec. 31, 2014 USD ($) Lot Parcel
Real Estate Properties [Line Items] |  |  |
Number of raw parcels of land owned | Parcel |  | 4 | 4
Carrying value of raw parcels of land |  | $ 60,611 | $ 33,689
Number of finished lots for use in homebuilding operations | Lot |  | 980 | 480
Aggregate additional funding commitments related to raw land property development |  | $ 19,200 |
Expected development credit offset amount |  | 9,600 |
Letters of credit related to land under development |  | $ 2,200 |
Subsequent Event [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Acquisition costs of raw parcel of land | $ 150,000 |  |
Number of lots expected to produce from raw land acquisition | Lot | 1,000 |  |
Number of lots under contract with unrelated party | Lot | 160 |  |

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- Definition Carrying amount as of the balance sheet date, net of valuation allowances and impairment losses, of costs of land expected to be developed in the near term plus capitalized costs of development, for purposes of selling completed units to home buyers or commercial or industrial entities.. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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