ACCUMULATED OTHER COMPREHENSIVE INCOME - Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 877,015	$ 828,233	$ 743,667
Other comprehensive (loss)/gain	(2,161)	(9,166)	9,737
Ending balance	938,284	877,015	828,233
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(4,993)	4,173	(5,564)
Ending balance	(7,154)	(4,993)	$ 4,173
Foreign currency translation adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(3,602)
Other comprehensive (loss)/gain	(4,799)
Ending balance	(8,401)	(3,602)
Cash flow hedge
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(1,631)
Other comprehensive (loss)/gain	2,696
Ending balance	1,065	(1,631)
Postretirement benefit plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	240
Other comprehensive (loss)/gain	(58)
Ending balance	$ 182	$ 240