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SEGMENT INFORMATION (Details) $ in Thousands	3 Months Ended		12 Months Ended
SEGMENT INFORMATION (Details) $ in Thousands	Mar. 31, 2022 USD ($) segment	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Segment information
Number of operating segments \| segment	1
Identifiable assets	$ 494,462		$ 470,785
Revenues derived from foreign subsidiaries	$ 114,785	$ 101,677
Total Revenue \| Customer Concentration Risk \| Customer One
Segment information
Percentage of concentration risk	12.00%	16.00%
Trade receivables \| Customer Concentration Risk \| Customer One
Segment information
Percentage of concentration risk	11.00%		10.00%
United States
Segment information
Revenues derived from foreign subsidiaries	$ 72,378	$ 56,642
United States \| Total Revenue \| Geographic Concentration Risk
Segment information
Percentage of concentration risk	56.00%
Europe, Canada and Asia-Pacific
Segment information
Identifiable assets	$ 32,614		$ 32,807
Europe, Canada and Asia-Pacific \| Total Revenue \| Customer Concentration Risk
Segment information
Percentage of concentration risk	44.00%