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LONG-TERM SUBORDINATED NOTES - Narrative (Details) - Subordinated Debt - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2022
Feb. 18, 2025
May 14, 2017
Debt Instrument [Line Items]        
Outstanding debt reduction   $ 6    
6.6 % Long Term Subordinated Notes        
Debt Instrument [Line Items]        
Debt instrument, stated interest rate       6.60%
Basis spread on variable rate 2.385%      
Percentage of principal amount required for redemption 100.00%      
Gain on repurchase and retirement of debt   $ 1    
6.6 % Long Term Subordinated Notes | Forecast        
Debt Instrument [Line Items]        
Reset quarterly interest rate     7.17%  
6.6 % Long Term Subordinated Notes | Maximum        
Debt Instrument [Line Items]        
Right to defer interest on one or more occasions for up to number of consecutive years 10 years