OTHER INCOME, NET (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Other Income and Expenses [Abstract]
Interest income, net	$ 2,624	$ 680
Transaction (loss) gain on foreign exchange	(26)	15
Other non-operating income, net	6	37
Other income, net	$ 2,604	$ 732	[1]

[1] As of January 1, 2018, the Company adopted ASC 606 using the full retrospective method. Accordingly, the Company has recast certain amounts in the prior period presented. See Note 1 below for additional discussion.