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FAIR VALUE MEASUREMENTS FAIR VALUE MEASUREMENTS (Tables)
12 Months Ended
Dec. 31, 2018
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments on a Recurring Basis
The Company’s financial instruments measured at fair value on a recurring basis consisted of the following:
 
Balance Sheet Classification
 
December 31,
2018
 
December 31,
2017
Liabilities:
 
 
(in thousands)
Derivatives
Other current liabilities
 
$
1,850

 
$