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OTHER INCOME, NET (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Other Income and Expenses [Abstract]    
Interest income, net $ 2,106 $ 4,374
Transaction (loss) gain on foreign exchange (68) 115
Other non-operating income, net 345 202
Other income, net $ 2,383 $ 4,691