ACCRUED LIABILITIES (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Payables and Accruals [Abstract]
Accrued tax liabilities	$ 32,063	$ 32,617
Accrued compensation	27,098	17,725
Accrued sales and marketing	6,549	3,458
Other accrued expenses	17,703	19,865
Total accrued liabilities	$ 83,413	$ 73,665	[1]

[1] As of January 1, 2018, the Company adopted Accounting Standards Update 2014-09, "Revenue from Contracts with Customers (Topic 606)" ("ASC 606"), using the full retrospective method. Accordingly, the Company has recast certain amounts in prior periods presented. See Note 1 below for additional discussion.