EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS - Funded Status of Defined Benefit Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Pension Plan
EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS
Benefit obligation at beginning of year	$ 896	$ 946
Service cost	0	0	$ 0
Interest cost	29	31	22
Plan participants' contributions	0	0
Actuarial loss	18	63
Gain from plan amendments	0	0
Benefits paid	(5)	(5)
Settlement of plan obligation	0	(139)
Benefit obligation at end of year	938	896	946
Fair value of plan assets at beginning of year	946	1,001
Actual return on plan assets	36	89
Employer contribution	0	0
Plan participants' contributions	0	0
Benefits paid	(5)	(5)
Settlement of plan obligation	0	(139)
Fair value of plan assets at end of year	977	946	1,001
Funded status at end of year	39	50
Other Postretirement Benefits Plan
EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS
Benefit obligation at beginning of year	1,013	935
Service cost	6	54	63
Interest cost	31	48	34
Plan participants' contributions	118	129
Actuarial loss	10	37
Gain from plan amendments	(413)	0
Benefits paid	(179)	(190)
Settlement of plan obligation	0	0
Benefit obligation at end of year	586	1,013	935
Fair value of plan assets at beginning of year	0	0
Actual return on plan assets	0	0
Employer contribution	61	61
Plan participants' contributions	118	129
Benefits paid	(179)	(190)
Settlement of plan obligation	0	0
Fair value of plan assets at end of year	0	0	$ 0
Funded status at end of year	$ (586)	$ (1,013)