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Supplemental Guarantor Financial Information - Additional Information (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
guarantor
Mar. 31, 2016
USD ($)
Jan. 30, 2017
USD ($)
Feb. 29, 2016
USD ($)
Guarantor Obligations [Line Items]          
Number of guarantors sold | guarantor   2      
Proceeds from sale of assets $ 0   $ 0    
10.875% Notes due 2024          
Guarantor Obligations [Line Items]          
Senior notes       $ 350,000 $ 350,000
Interest rate, stated percentage         10.875%
CardStar | Guarantor Subsidiaries          
Guarantor Obligations [Line Items]          
Proceeds from sale of assets   $ 100