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Land Under Development - Additional Information (Detail) $ in Thousands | 12 Months Ended |
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Dec. 31, 2020 USD ($) parcel lot | Dec. 31, 2019 USD ($) lot parcel
Real Estate [Abstract] |  |
Number of finished lots for use in homebuilding operations | lot | 500 | 650
Number of raw parcels of land owned | parcel | 3 | 5
Carrying value of raw parcels of land | $ 62,790 | $ 69,196
Aggregate additional funding commitments related to raw land property under joint development | 5,100 |
Expected development credits that will offset the aggregate additional funding commitments related to raw land property development | $ 2,600 |

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- Definition Expected Development Credit Offset Amount + References No definition available. + Details
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- Definition Number of finished lots intended to be developed from raw parcels of land for use in homebuilding operation. + References No definition available. + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -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=120391452&loc=d3e13212-122682 + Details
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