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EMPLOYEE BENEFIT PLANS - Asset Allocations (Details) - Pension Benefits
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]    
Defined benefit plan, actual plan asset allocation percentage 100.00% 100.00%
Fixed maturities    
Defined Benefit Plan Disclosure [Line Items]    
Defined benefit plan, actual plan asset allocation percentage 48.10% 49.30%
Equity securities    
Defined Benefit Plan Disclosure [Line Items]    
Defined benefit plan, actual plan asset allocation percentage 26.40% 24.10%
Equity real estate    
Defined Benefit Plan Disclosure [Line Items]    
Defined benefit plan, actual plan asset allocation percentage 17.80% 19.60%
Cash and short-term investments    
Defined Benefit Plan Disclosure [Line Items]    
Defined benefit plan, actual plan asset allocation percentage 2.70% 1.90%
Other    
Defined Benefit Plan Disclosure [Line Items]    
Defined benefit plan, actual plan asset allocation percentage 5.00% 5.10%