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OTHER NONOPERATING EXPENSE, NET
 3 Months Ended
Mar. 31, 2019
Other Income and Expenses [Abstract]  
OTHER NON-OPERATING INCOME / EXPENSE
OTHER NON-OPERATING INCOME / EXPENSE, NET
Other non-operating income / expense, net comprised the following for the three months ended March 31, 2019 and 2018:
 
For the Three Months Ended March 31,
 
2019

 
2018

Interest income
$
152

 
$
144

Foreign currency exchange (loss) / gain, net
(3,077
)
 
4,390

Change in fair value of derivatives (Note 12)
(36
)
 
(228
)
Loss on extinguishment of debt
(151
)
 
(109
)
Other income, net
15

 
11

Total other non-operating (expense) / income, net
$
(3,097
)
 
$
4,208