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LONG-TERM SUBORDINATED NOTES - Narrative (Details) - Subordinated Debt - Subordinated Notes Issued 2007
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2025
Nov. 17, 2025
May 14, 2017
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%    
Forecast        
Debt Instrument [Line Items]        
Reset quarterly interest rate     6.86%  
Maximum        
Debt Instrument [Line Items]        
Right to defer interest on one or more occasions for up to number of consecutive years   10 years