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OTHER INCOME, NET
 9 Months Ended
Sep. 30, 2018
Other Income and Expenses [Abstract]  
Other Income, Net
OTHER INCOME, NET
Other income, net for the three and nine months ended September 30, 2018 and 2017 consisted of the following (in thousands):
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2018
 
2017
 
2018
 
2017
Interest income, net
$
3,705

 
$
991

 
$
9,606

 
$
2,431

Transaction gain on foreign exchange
75

 
323

 
89

 
377

Other non-operating income, net
141

 
57

 
255

 
125

Other income, net
$
3,921

 
$
1,371

 
$
9,950

 
$
2,933