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Balance of Investment in Joint Venture (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2013 | Dec. 31, 2012
Schedule of Equity Method Investments [Line Items] |  |  |
Capital Contributions, net of distributions | $ 5,155 | $ 3,420 |
Equity in cumulative net loss | (1,093) | (259) |
Investment in joint venture | $ 4,062 | $ 3,161 | [1]
[1] | Derived from audited financial statements

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- Definition Investment In Significant Unconsolidated Joint Ventures + References No definition available. + Details
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- Definition This element represents the aggregate cost of investments accounted for under the equity method of accounting. + 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 210.5-02.12) -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 12 -Article 5 + Details
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- Details
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