EMPLOYEE BENEFIT PLANS - Valuation Assumptions (Details)	Dec. 31, 2025	Dec. 31, 2024
Pension Benefits
Employee benefit plans
Discount rate	5.97%	5.89%
Long-term rate of return on plan assets	7.70%	7.59%
Rate of compensation increases	5.48%	4.25%
Cost of living adjustment	2.40%	2.20%
Pension Benefits | SERP
Employee benefit plans
Discount rate	5.78%	5.82%
Rate of compensation increases	6.00%	5.00%
Pension Benefits | Other Benefits
Employee benefit plans
Discount rate	0.00%	0.00%
Other Benefits
Employee benefit plans
Discount rate	0.00%	0.00%
Long-term rate of return on plan assets	7.47%	7.43%
Rate of compensation increases	0.00%	0.00%
Cost of living adjustment	0.00%	0.00%
Other Benefits | SERP
Employee benefit plans
Discount rate	0.00%	0.00%
Rate of compensation increases	0.00%	0.00%
Other Benefits | Other Benefits
Employee benefit plans
Discount rate	5.90%	5.88%