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Commitments and Contingent Liabilities - Additional Information (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 USD ($) Lot Contract | Dec. 31, 2015 USD ($) Lot | Dec. 31, 2014 USD ($)
Commitments And Contingencies [Line Items] |  |  |  |
Rent expense under operating leases |  | $ 45,843 | $ 48,056 | $ 45,508
Maximum range of deposits required under the purchase agreements |  | 10.00% |  |
Term of business plan |  | 5 years |  |
Contingent forfeitable deposits with land developers |  | $ 94,600 |  |
Number of specific performance contracts | Contract |  | 1 |  |
Finished lots committed to purchase under specific performance obligations | Lot |  | 10 | 10 |
Purchase price of finished lots committed to purchase under specific performance obligations | [1] | $ 1,505 | $ 1,505 |
Aggregate additional funding commitments related to raw land property development |  | 12,000 |  |
Expected development credit offset amount |  | 7,100 |  |
Contingent obligations under bonds or letters of credit arrangements |  | 50,700 |  |
Credit Agreement [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Contingent obligations under letters of credit arrangements |  | $ 8,300 |  |
[1] | As of both December 31, 2016 and 2015, the Company was committed to purchase 10 finished lots under specific performance obligations.

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- Definition Aggregate additional funding commitments related to raw land property development. + References No definition available. + Details
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- Definition Commitments and contingencies. + References No definition available. + Details
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- Definition Amounts represent required payments of forfeitable deposits with land developers under existing, fixed price purchase agreements, assuming that contractual development milestones are met by the developers. + References No definition available. + Details
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- Definition Maximum percentage of deposits required under the purchase agreements. + References No definition available. + Details
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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