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Advances to Joint Venture Partners (Details Textual) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2011 | Dec. 31, 2010
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Advances to Joint Venture Partners (Textual) [Abstract] |  |
Advances to joint venture partner | $ 10,200 | $ 10,200

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- Definition Amounts due from joint venture partners which are due after one year (or one business cycle). + References No definition available. + Details
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- Details
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