Land Under Development - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013 Lot	Sep. 30, 2013 Lot Parcels
Real Estate [Abstract]
Acquisition costs of raw parcel of land	$ 28,500
Number of finished lots from newly acquired land for use in homebuilding operations	400
Number of raw parcels of land acquired		5
Carrying value of raw parcels of land		$ 59,409
Number of finished lots for use in homebuilding operations		800

Acquisition costs of newly acquired raw parcel of land zoned for its intended use.

No definition available.

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- Definition

Number of finished lots intended to be developed from newly acquired raw parcel of land for use in homebuilding operations.

+ 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

Number of raw parcels of land acquired.

+ 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://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

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 6

-Subparagraph a

-Article 5

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