EMPLOYEE BENEFIT PLANS - Components of Net Periodic Benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net periodic cost (benefit):
Net periodic (benefit) cost	$ (403)	$ 282	$ (1,536)
Pension Plan [Member]
Net periodic cost (benefit):
Interest cost	3,603	3,800	2,614
Expected return on plan assets	(4,072)	(3,543)	(4,158)
Net periodic (benefit) cost	$ (469)	$ 257	$ (1,544)
Defined Benefit Plan Net Periodic Benefit Cost Credit Interest Cost Statement Of Income Or Comprehensive Income Extensible List	Other Noninterest Expense	Other Noninterest Expense	Other Noninterest Expense
Defined Benefit Plan Net Periodic Benefit Cost Credit Expected Return Loss Statement Of Income Or Comprehensive Income Extensible List	Other Noninterest Expense	Other Noninterest Expense	Other Noninterest Expense
Postretirement Benefit Plan [Member]
Net periodic cost (benefit):
Net periodic (benefit) cost	$ (66)	$ (25)	$ (8)
Defined Benefit Plan Net Periodic Benefit Cost Credit Excluding Service Cost Statement Of Income Or Comprehensive Income Extensible List	Other Noninterest Expense	Other Noninterest Expense	Other Noninterest Expense