EMPLOYEE BENEFIT PLANS - Components of Net Periodic Benefit Cost (Credit) (Details) - Pension Plans - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Components of Net Periodic Benefit Cost:
Service cost	$ 170	$ 74	$ 498	$ 256
Interest cost	5,345	5,322	15,774	15,746
Expected return on plan assets	(6,721)	(6,068)	(19,797)	(17,916)
Amortization of:
Prior service cost	138	28	402	81
Net actuarial loss	2,295	1,926	5,828	4,970
Settlement loss	0	791	0	2,333
Net periodic benefit cost	$ 1,227	$ 2,073	$ 2,705	$ 5,470