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Assets And Liabilities Of Business Held For Sale (Details)
12 Months Ended
Dec. 31, 2011
USD ($)
Dec. 31, 2011
RUB
Dec. 31, 2010
USD ($)
Assets And Liabilities Of Business Held For Sale [Abstract]      
Loss on disposal of discontinued operations $ 7,400,000 221,600,000  
Assets held for sale $ 675,000   $ 8,614,000