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Term Loan and Revolving Credit Facility (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Schedule of debt and short-term borrowings    
Total debt $ 121,094  
Less: Current portion of long-term debt 3,906 3,125
Long-term debt 117,188 118,750
Term loan [Member]
   
Schedule of debt and short-term borrowings    
Total debt 121,094  
Revolving credit facility [Member]
   
Schedule of debt and short-term borrowings    
Total debt