v3.25.4
Loans and Allowance for Credit Losses - Additional Information (Details) - USD ($)
9 Months Ended 12 Months Ended
Dec. 31, 2025
Mar. 31, 2025
Financing Receivable, Past Due [Line Items]    
Loans receivable from related parties $ 1,800,000 $ 1,800,000
Loans excludes allowance for off-balance sheet 215,000 215,000
Federal Home Loan Mortgage Corp    
Financing Receivable, Past Due [Line Items]    
Loans receivable from related parties $ 881,000 $ 940,000