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Debt (Tables)
 3 Months Ended
Mar. 31, 2017
Debt Disclosure [Abstract]  
Schedule of debt
Long-term debt as of March 31, 2017 and December 31, 2016 consists of the following:
(in thousands)
 
March 31, 
 2017
 
December 31, 
 2016
Senior secured notes, due 2024
 
$
350,000

 
$
350,000

Revolving credit agreement
 
19,745

 
—

Other
 
406

 
2,963

 
 
370,151

 
352,963

Unamortized debt issuance costs related to senior secured notes
 
(6,265
)
 
(6,474
)
 
 
363,886

 
346,489

Less: Current portion of long-term debt
 
95

 
1,662

 
 
$
363,791

 
$
344,827