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Segment Information - Equity in Earnings (Losses) of Unconsolidated Investments (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Equity in (gain) loss of unconsolidated investments $ (2,290) $ 164
Gaming Segment [Member]
   
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Equity in (gain) loss of unconsolidated investments (2,041) 298
Online Operations
   
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Equity in (gain) loss of unconsolidated investments (220) (109)
Other Investments Segment [Member]
   
Segment Reporting, Other Significant Reconciling Item [Line Items]    
Equity in (gain) loss of unconsolidated investments $ (29) $ (25)