PENSION AND OTHER POSTRETIREMENT BENEFITS - Other Postretirement Benefits (Details) - Other Postretirement Benefit Plan - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Pension Benefits
Service cost	$ 3	$ 4
Interest cost	204	272
Amortization of actuarial loss	0	174
Net periodic pension cost/ (income) or postretirement benefit cost	$ 207	$ 450

Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan.

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Amount of cost recognized for passage of time related to defined benefit plan.

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Amount of net periodic benefit cost (credit) for defined benefit plan.

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Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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