v3.26.1
Loans and Allowance for Credit Losses - Nonaccrual Loans by Loan Category (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, Nonaccrual [Line Items]    
Nonaccrual loans with no ACL $ 2,882 $ 3,233
Nonaccrual loans with ACL 25,010 23,825
Interest income recognized during the period on nonaccrual loans 11 133
Agricultural [Member]    
Financing Receivable, Nonaccrual [Line Items]    
Nonaccrual loans with no ACL 266  
Nonaccrual loans with ACL 144  
Interest income recognized during the period on nonaccrual loans 7  
Commercial and Industrial [Member]    
Financing Receivable, Nonaccrual [Line Items]    
Nonaccrual loans with no ACL 0 966
Nonaccrual loans with ACL 9,274 7,037
Interest income recognized during the period on nonaccrual loans 0 2
Consumer Portfolio Segment [Member]    
Financing Receivable, Nonaccrual [Line Items]    
Nonaccrual loans with no ACL 0 0
Nonaccrual loans with ACL 89 101
Interest income recognized during the period on nonaccrual loans 0 6
Commercial Real Estate [Member]    
Financing Receivable, Nonaccrual [Line Items]    
Nonaccrual loans with no ACL 0 0
Nonaccrual loans with ACL 8,003 8,020
Interest income recognized during the period on nonaccrual loans 0 0
Residential Real Estate [Member]    
Financing Receivable, Nonaccrual [Line Items]    
Nonaccrual loans with no ACL 2,616 2,267
Nonaccrual loans with ACL 7,500 8,667
Interest income recognized during the period on nonaccrual loans $ 4 $ 125