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Long-Term Debt (Tables)
 6 Months Ended
Jun. 30, 2015
Debt Disclosure [Abstract]  
Long-Term Debt
Long-term debt consists of the following (in thousands):
 
June 30,
2015
 
December 31,
2014
Unsecured notes
$
250,000

 
$
250,000

Term loan
116,250

 
123,750

Unamortized discounts and issuance costs of unsecured notes
(535
)
 
(764
)
 
$
365,715

 
$
372,986

Current portion, long-term debt
$
15,000

 
$
15,000

Long-term debt
$
350,715

 
$
357,986