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Cash and Cash Equivalents (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Mar. 31, 2015
Dec. 31, 2014
Cash and Cash Equivalents [Line Items]        
Cash and cash equivalents $ 198,850 $ 222,549 $ 197,934 $ 242,696
Cash equivalents, at carrying value 2,100 2,700    
Cash identified for settling accrued payable to retailer partners 62,700 83,300    
United States        
Cash and Cash Equivalents [Line Items]        
Cash and cash equivalents 44,900 46,200    
Foreign Financial Institutions        
Cash and Cash Equivalents [Line Items]        
Cash and cash equivalents $ 11,100 $ 9,000