ACCUMULATED OTHER COMPREHENSIVE INCOME - Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net foreign currency translation adjustment	$ 16,809	$ (4,799)	$ (11,255)
Unrealized (loss) gain on cash flow hedge	(1,406)	3,564	2,707
Tax	341	(868)	(654)
Net of tax	(1,065)	2,696	2,053
Net change in postretirement benefit plan (see Note 15 for further information)
Prior service loss (gain) arising during the period	132	(41)	(4)
Amortization of prior service gain	0	9	74
Amortization of loss (gain)	8	(2)	(21)
Total before tax	140	(34)	49
Tax	(39)	(24)	(13)
Net of tax	101	(58)	36
Other comprehensive income (loss), net of tax	15,845	(2,161)	(9,166)
Currency swap
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net foreign currency translation adjustment	(1,455)	3,851	4,766
Net change in postretirement benefit plan (see Note 15 for further information)
Net foreign currency translation adjustment tax	$ (471)	$ 1,236	$ 1,527