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Operating and Reporting Segments (Details 1) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Segment Reporting Information [Line Items] |  |  |  |
Land Sales | $ 8,933 | $ 7,763 | $ 28,568 | $ 8,846
West [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Land Sales | 5,875 | 6,488 | 11,616 | 6,488
Central [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Land Sales | 3,058 | 485 | 13,482 | 1,568
East [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Land Sales | $ 0 | $ 790 | $ 3,470 | $ 790

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- Definition Revenue from the sale of land in the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(e)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_LandSales
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration