EMPLOYEE BENEFIT PLANS (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) Pension_Plan	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Amounts recognized in balance sheet:
Non current liabilities	$ (35,973)	$ (31,889)
United States
Defined Benefit Plan, Change in Benefit Obligation
Number of pension plans | Pension_Plan	2
Foreign
Defined Benefit Plan, Change in Benefit Obligation
Number of pension plans | Pension_Plan	3
Pension Benefits
Net Periodic Benefit Cost and Other Benefit Cost
Accumulated benefit obligation, end of year	$ 136,400	133,200
Defined Benefit Plan, Change in Benefit Obligation
Benefit obligation, beginning of year	135,200	175,200
Service cost	600	700	$ 700
Interest cost	6,400	3,300	2,700
Actuarial (gain)/loss	4,200	(32,500)
Settlements paid	(500)	(300)
Benefits paid	8,900	9,700
Foreign currency exchange	500	(1,500)
Benefit obligation, end of year	137,500	135,200	175,200
Defined Benefit Plan, Change in Fair Value of Plan Assets
Fair value of assets, beginning of year	113,400	143,900
Actual return on plan assets	6,900	(20,900)
Company contributions	600	500
Settlements paid	(400)	(300)
Benefits paid	8,900	9,700
Foreign currency exchange	100	(100)
Plan assets, end of year	111,700	113,400	143,900
Funded status	(25,800)	(21,800)
Amounts recognized in balance sheet:
Non current assets	4,200	3,600
Current liabilities	(500)	(500)
Non current liabilities	(29,500)	(24,900)
Net liability, end of year	(25,800)	(21,800)
Amount recognized in accumulated other comprehensive income/(loss):
Prior service cost	0	0
Net actuarial loss	(42,100)	(40,400)
Settlement	0	0
Total recognized in accumulated other comprehensive income/(loss)	(42,100)	(40,400)
Accumulated benefit obligation in excess of plan assets, aggregate	33,300	27,900
Projected benefit obligation in excess of plan assets, aggregate	34,400	29,800
Plan assets related to accumulated benefit obligation and benefit obligation, aggregate	4,400	4,400
Other Benefits
Net Periodic Benefit Cost and Other Benefit Cost
Accumulated benefit obligation, end of year	5,600	6,000
Defined Benefit Plan, Change in Benefit Obligation
Benefit obligation, beginning of year	6,000	7,700
Service cost	0	0	0
Interest cost	300	100	100
Actuarial (gain)/loss	0	(1,100)
Settlements paid	0	0
Benefits paid	700	700
Foreign currency exchange	0	0
Benefit obligation, end of year	$ 5,600	6,000	7,700
Actuarially reduced benefits for employees who retire before defined age	65 years
Defined Benefit Plan, Change in Fair Value of Plan Assets
Fair value of assets, beginning of year	$ 0	0
Actual return on plan assets	0	0
Company contributions	700	700
Settlements paid	0	0
Benefits paid	700	700
Foreign currency exchange	0	0
Plan assets, end of year	0	0	$ 0
Funded status	(5,600)	(6,000)
Amounts recognized in balance sheet:
Non current assets	0	0
Current liabilities	(700)	(700)
Non current liabilities	(4,900)	(5,300)
Net liability, end of year	(5,600)	(6,000)
Amount recognized in accumulated other comprehensive income/(loss):
Prior service cost	0	0
Net actuarial loss	300	300
Settlement	0	0
Total recognized in accumulated other comprehensive income/(loss)	$ 300	$ 300