v3.26.3
Loans - Amortized Cost Basis of Collateral-Dependent Loans and Leases (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Loans [Abstract]    
Financing Receivable, Nonaccrual $ 46,579 $ 25,832
Real Estate Loans [Member] | Mortgages [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 3,623 3,382
Real Estate Loans [Member] | Home Equity [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 106 61
Real Estate Loans [Member] | Commercial [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 32,461 11,497
Real Estate Loans [Member] | Agricultural [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 2,310 2,145
Real Estate Loans [Member] | Construction [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 951 516
Other Commercial Loans [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 6,626 7,828
Other Agricultural Loans [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 502 403
Real Estate [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 39,451 17,601
Real Estate [Member] | Real Estate Loans [Member] | Mortgages [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 3,623 3,382
Real Estate [Member] | Real Estate Loans [Member] | Home Equity [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 106 61
Real Estate [Member] | Real Estate Loans [Member] | Commercial [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 32,461 11,497
Real Estate [Member] | Real Estate Loans [Member] | Agricultural [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 2,310 2,145
Real Estate [Member] | Real Estate Loans [Member] | Construction [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 951 516
Real Estate [Member] | Other Commercial Loans [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 0 0
Real Estate [Member] | Other Agricultural Loans [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 0 0
Business Assets [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 7,128 8,231
Business Assets [Member] | Real Estate Loans [Member] | Mortgages [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 0 0
Business Assets [Member] | Real Estate Loans [Member] | Home Equity [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 0 0
Business Assets [Member] | Real Estate Loans [Member] | Commercial [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 0 0
Business Assets [Member] | Real Estate Loans [Member] | Agricultural [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 0 0
Business Assets [Member] | Real Estate Loans [Member] | Construction [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 0 0
Business Assets [Member] | Other Commercial Loans [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual 6,626 7,828
Business Assets [Member] | Other Agricultural Loans [Member]    
Loans [Abstract]    
Financing Receivable, Nonaccrual $ 502 $ 403