Inventory - Summary of Interests in Lot Option Agreements (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Real Estate Properties [Line Items]
Deposits & Non-refundable Preacquisition Costs Incurred	$ 51,475	$ 43,529
Remaining Obligation	420,070	420,534
Land Not Owned - Under Option Agreements	0	3,857
Consolidated VIEs
Real Estate Properties [Line Items]
Deposits & Non-refundable Preacquisition Costs Incurred		941
Remaining Obligation		2,916
Land Not Owned - Under Option Agreements		3,857
Unconsolidated lot option agreements
Real Estate Properties [Line Items]
Deposits & Non-refundable Preacquisition Costs Incurred	51,475	42,588
Remaining Obligation	$ 420,070	$ 417,618

Land Under Purchase Options, Consolidated and Unconsolidated VIEs, Total Remaining Obligations Under Option Agreements

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- Definition

Land Under Purchase Options, Deposits and Non-refundable Preacquisition Costs

+ References

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- Definition

The carrying amount as of the balance sheet date of land not owned but under a contract in which the entity has an option to purchase the land.

+ 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

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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