EMPLOYEE BENEFIT PLANS - ASSUMPTIONS (Details) - Qualified Defined Benefit [Member]	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Minimum [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Benefit obligations, Weighted-average discount rate	5.14%	5.41%
Benefit obligations, Rate of compensation increase	2.01%	2.01%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Net period benefit costs, Weighted-average discount rate	5.41%	2.82%	2.43%
Net period benefit costs, Weighted-average expected return on assets	5.00%	3.00%	3.00%
Net period benefit costs, Rate of compensation increase	2.01%	2.02%	2.02%
Maximum [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Benefit obligations, Weighted-average discount rate	5.16%	5.42%
Benefit obligations, Rate of compensation increase	2.34%	2.35%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Net period benefit costs, Weighted-average discount rate	5.42%	2.90%	2.58%
Net period benefit costs, Weighted-average expected return on assets	6.50%	5.25%	5.50%
Net period benefit costs, Rate of compensation increase	2.35%	2.38%	2.43%