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Long-Term Debt (Tables)
9 Months Ended
Sep. 30, 2018
Debt Disclosure [Abstract]  
Long-Term Debt
Long-term debt consisted of the following:
 
 
 
September 30,
 
 
December 31,
 
 
 
2018
 
 
2017
 
 
 
(In thousands)
 
 
 
 
 
 
 
 
Revolving credit facility
 
$
20,000
 
 
$
25,000
 
Amounts payable within one year
 
 
 
 
 
 
 
 
$
20,000
 
 
$
25,000