v3.26.1
Borrowings - Additional Information (Details) - USD ($)
Mar. 31, 2026
Mar. 31, 2025
Line of Credit Facility [Line Items]    
Outstanding borrowings $ 0 $ 0
Remaining availability for FHLB borrowings 47,000,000 40,500,000
Letters of credit outstanding 13,000,000  
Pledged commercial real estate loans carrying value of borrowings through discount window 13,400,000  
Remaining availability for FRB borrowings 10,000,000  
Investment Securities Pledged    
Line of Credit Facility [Line Items]    
FHLB borrowings, collateral for advances 25,000,000  
Loans Pledged    
Line of Credit Facility [Line Items]    
FHLB borrowings, collateral for advances 80,000,000  
Private Bankers' Bank    
Line of Credit Facility [Line Items]    
Line of credit, maximum borrowing capacity $ 5,000,000 $ 5,000,000