SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Non-cash investing and financing activities:
Purchase of property, plant, and equipment in accounts payable	$ 7,232	$ 3,375	$ 4,430
Additional cash payment information:
Interest paid	3,457	2,212	1,611
Income taxes paid	$ 29,766	$ 10,566	$ 7,111