SEGMENT INFORMATION (Physical Locations and Values of Long-Lived Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	$ 273,348	$ 236,214	$ 169,533
Ukraine
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	70,183	78,289	30,980
United States
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	68,804	14,843	15,718
Belarus
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	57,311	75,422	73,988
Poland
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	14,685	8,240	5,434
Hungary
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	8,552	5,339	5,365
India
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	8,506	9,459	7,079
Russia
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	0	16,611	15,036
Other
Long-Lived Assets by Geographical Areas [Line Items]
Long-lived assets	$ 45,307	$ 28,011	$ 15,933