v3.26.1
LONG-TERM SUBORDINATED NOTES - Schedule of Outstanding Fixed to Floating Rate Long-Term Subordinated Notes (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Apr. 26, 2007
Debt Instrument [Line Items]      
Long-term notes $ 218,000,000 $ 218,000,000  
Subordinated Notes 6.60% | Long Term Subordinated Debt      
Debt Instrument [Line Items]      
Original Principal Amount     $ 400,000,000
Long-term notes 218,000,000 218,000,000  
Fair Value $ 210,000,000 $ 208,000,000