Inventory - Impairments and Lot Option Abandonment Charges, by Reportable Segment (Details) - USD ($)	3 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Real Estate, Write-down or Reserve [Line Items]
Inventory Impairment, Results of Discounted Cash Flow Analysis	$ 0
Inventory impairments and option contract abandonments	1,356,000	$ 0
Inventory Impairment and Abandonment	1,356,000	$ 0
Continuing Operations
Real Estate, Write-down or Reserve [Line Items]
Land Held for Sale	568,000
Continuing Operations \| East Segment
Real Estate, Write-down or Reserve [Line Items]
Land Held for Sale	197,000
Continuing Operations \| Southeast Segment
Real Estate, Write-down or Reserve [Line Items]
Land Held for Sale	371,000
Abandonments:	$ 788,000

Impairment Charges, Lot Option Abandonment

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- Definition

Inventory impairments and option contract abandonments

+ References

No definition available.

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- Definition

Inventory Impairment, Results of Discounted Cash Flow Analysis

+ References

No definition available.

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2611-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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- Definition

Charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=28360613&loc=d3e4542-108314

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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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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