ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ 435,854
Ending balance	428,595
Total Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	5,037
Current period other comprehensive loss	(3,043)
Ending balance	1,994
Pension Adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(279)
Current period other comprehensive loss	0
Ending balance	(279)
Foreign Currency Translation1
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	1,974
Current period other comprehensive loss	(1,545)
Ending balance	429
Foreign Currency Gain on Intra-Entity Transactions2
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	3,342
Current period other comprehensive loss	(1,498)
Ending balance	$ 1,844