EMPLOYEE BENEFIT PLANS - Periodic Benefit Cost (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other changes in plan assets and benefit obligations recognized in accumulated other comprehensive loss:
Total recognized in accumulated other comprehensive loss	$ (20,471)	$ 23,175	$ 23,445
Defined benefit pension plan
Components of net periodic benefit cost:
Interest cost	$ 5,180	$ 3,749	$ 3,438
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)
Expected return on plan assets	$ (6,220)	$ (6,638)	$ (6,580)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)
Amortization of prior service cost	$ 186	$ 186	$ 186
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization of Prior Service Cost (Credit), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)
Amortization of net loss	$ 682	$ 1,963	$ 4,327
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)
Net periodic benefit cost	$ (172)	$ (740)	$ 1,371
Other changes in plan assets and benefit obligations recognized in accumulated other comprehensive loss:
Net actuarial gain	2,894	10,148	14,921
Reversal of amortization item: Prior service cost	186	186	186
Reversal of amortization item: Net actuarial loss	682	1,963	4,327
Total recognized in accumulated other comprehensive loss	3,762	12,297	19,434
Net periodic benefit cost (credit)	172	740	$ (1,371)
Total recognized in net periodic benefit cost and accumulated other comprehensive loss	$ 3,934	$ 13,037

Represents the sum of the total amount of net periodic benefit cost for defined benefit plans for the period and amounts recognized in other comprehensive income (but not yet recognized in net periodic benefit cost), including the net gain (loss) and net prior service cost (credit) arising during the period.

No definition available.