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BASIS OF PRESENTATION affiliate (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Jun. 30, 2012
Dec. 31, 2011
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures $ 7,525 $ 6,900 $ 0