v3.26.3
Loans and Allowance for Credit Losses - Summary of Loans Individually Evaluated (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Mar. 31, 2026
Financing Receivable, Allowance for Credit Loss [Line Items]    
ACL Allocation $ 165  
Commercial Non-RE    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Individually evaluated, Recorded investment in loans 165  
Real Estate    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Individually evaluated, Recorded investment in loans 347 $ 1,641
Real Estate | Real Estate - Residential    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Individually evaluated, Recorded investment in loans 347 9
Real Estate | Agricultural    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Individually evaluated, Recorded investment in loans   $ 1,632
Other    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Individually evaluated, Recorded investment in loans 399  
Other | Commercial Non-RE    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Individually evaluated, Recorded investment in loans 357  
Other | Other Consumer    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Individually evaluated, Recorded investment in loans $ 42