v3.26.3
BORROWINGS - Narrative (Details)
3 Months Ended 9 Months Ended
Jan. 02, 2026
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
fund
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
BORROWINGS            
Payments of FHLBank Borrowings, Financing Activities $ 50,000,000     $ 290,434,000 $ 179,734,000  
Number of unsecured federal funds lines of credit | fund       2    
Repayments of subordinated debt       $ 10,000,000 8,000,000  
Interest expenses   $ 600,000 $ 600,000 $ 2,000,000.0 $ 1,800,000  
Subordinated Notes            
BORROWINGS            
Carrying Value           $ 8,000,000.0
Repayments of subordinated debt   $ 10,000,000.0        
PPPLF            
BORROWINGS            
Interest bearing rate (as a percent)   35.00%   35.00%    
Carrying Value   $ 0.0   $ 0.0   500,000
PPPLF | Minimum            
BORROWINGS            
Debt term (in years)       2 years    
PPPLF | Maximum            
BORROWINGS            
Debt term (in years)       5 years    
Federal Funds Lines of Credit One            
BORROWINGS            
Maximum borrowing capacity   10,000,000.0   $ 10,000,000.0    
Amount outstanding   0   0   0
Federal Funds Lines of Credit Two            
BORROWINGS            
Maximum borrowing capacity   19,000,000.0   19,000,000.0    
FHLB Advance            
BORROWINGS            
Debt term (in years) 3 months          
Basis spread on variable rate 0.14%          
FHLB            
BORROWINGS            
Amount of collateral pledged   1,500,000,000   1,500,000,000   $ 1,450,000,000
Borrowings from FHLB   $ 568,000,000   $ 568,000,000