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Term Loan and Revolving Credit Facility (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Schedule of debt and short-term borrowings    
Total debt $ 115,625  
Less: Current portion of long-term debt 6,250 $ 6,250
Long-term debt 109,375 $ 112,500
Term loan [Member]    
Schedule of debt and short-term borrowings    
Total debt $ 115,625  
Revolving credit facility [Member]    
Schedule of debt and short-term borrowings    
Total debt