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Long-Term Debt (Tables)
 9 Months Ended
Sep. 30, 2017
Debt Disclosure [Abstract]  
Schedule of Long-term Debt

Long-term debt consisted of the following (in thousands):
 
September 30,
2017
 
December 31,
2016
$200 million revolving credit facility
$
29,500

 
$
—

Term B loan facility
594,000

 
656,000

 
623,500

 
656,000

Unamortized deferred loan costs
(13,503
)
 
(15,645
)
 
$
609,997

 
$
640,355