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Investments in Unconsolidated Entities (Details) (USD $) | Jun. 30, 2013 | Dec. 31, 2012
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Guarantor Obligations [Line Items] |  |  |  |
Guarantor Obligations, Maximum Exposure, Undiscounted | $ 13,441,000 |  | $ 13,462,000 |
Repayment Guarantees [Member] |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |
Guarantor Obligations, Maximum Exposure, Undiscounted | 198,000 |  | 219,000 |
Completion Guarantees [Member] |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |
Guarantor Obligations, Maximum Exposure, Undiscounted | 0 | [1] | 0 | [1]
South Edge Guarantee [Member] |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |
Guarantor Obligations, Maximum Exposure, Undiscounted | $ 13,243,000 | [2] | $ 13,243,000 | [2]
[1] | (1)As our completion guarantees are typically backed by funding from a third party, we do not believe these guarantees represent a potential cash obligation for us, as they require only non-financial performance.
[2] | (2)See Note 13 regarding outstanding litigation related to a joint venture project known as “South Edge” or "Inspirada" and the corresponding reserves and charges we have recorded relating thereto.

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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 + Details
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