SEGMENT INFORMATION (Revenues by Customer Location) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 1,171,614	$ 780,775
United States
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	657,027	448,021
United Kingdom
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	153,197	93,464
Switzerland
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	81,830	67,568
Netherlands
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	50,179	33,032
Germany
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	36,389	22,025
Russia
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	30,692	27,656
Canada
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	27,029	21,835
Other locations
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 135,271	$ 67,174