EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS - Net Periodic Benefit Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Pension Plan
EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS
Service cost	$ 0	$ 0	$ 0
Interest cost	29	31	22
Expected return on plan assets	(16)	(18)	(35)
Amortization of prior service cost	0	0	0
Recognized net actuarial loss (gain)	6	11	8
Effect of curtailment	0	0	0
Settlement of plan obligation	0	21	0
Total net periodic benefit cost	19	45	(5)
Other Postretirement Benefits Plan
EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS
Service cost	6	54	63
Interest cost	31	48	34
Expected return on plan assets	0	0	0
Amortization of prior service cost	(12)	(31)	(31)
Recognized net actuarial loss (gain)	(77)	(36)	(19)
Effect of curtailment	(469)	0	0
Settlement of plan obligation	0	0	0
Total net periodic benefit cost	$ (521)	$ 35	$ 47