RETIREMENT AND POSTRETIREMENT PLANS - Net periodic cost for the Employee Retirement Plan (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net Periodic Benefit Cost
Settlement	$ (1,215)
Employee Retirement Plan
Net Periodic Benefit Cost
Interest cost	847	$ 900	$ 622
Expected return on assets	(1,429)	(1,521)	(1,949)
Amortization of unrealized loss	854	572	261
Net periodic benefit (credit) cost	272	(49)	$ (1,066)
Pension Plan
Net Periodic Benefit Cost
Service cost		564
Interest cost	1,265	1,263
Expected return on assets	(2,726)	(2,760)
Net periodic benefit (credit) cost	(1,461)	(933)
Settlement	1,215
Total benefit cost	$ (246)	$ (933)