ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Components of Accrued expenses and other current liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Value added taxes payable	$ 49,924	$ 34,522
Deferred revenue	39,810	17,383
Contingent consideration, current (Note 4)	9,405	1,125
Other current liabilities and accrued expenses	42,875	26,660
Total	$ 142,014	$ 79,690