Loans - Non-Accrual and Past Due Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Financing Receivable, Past Due [Line Items]
Non-Accrual With No Allowance For Credit Loss	$ 4,215	$ 6,450
Non-Accrual	29,319	10,934
Loans Past Due Over 89 Days Still Accruing	92	188
Commercial and Industrial Loans
Financing Receivable, Past Due [Line Items]
Non-Accrual With No Allowance For Credit Loss	308	1,346
Non-Accrual	16,549	5,018
Loans Past Due Over 89 Days Still Accruing	0	0
Commercial Real Estate Loans
Financing Receivable, Past Due [Line Items]
Non-Accrual With No Allowance For Credit Loss	285	1,268
Non-Accrual	6,303	1,745
Loans Past Due Over 89 Days Still Accruing	92	183
Agricultural Loans
Financing Receivable, Past Due [Line Items]
Non-Accrual With No Allowance For Credit Loss	1,197	655
Non-Accrual	3,123	765
Loans Past Due Over 89 Days Still Accruing	0	5
Leases
Financing Receivable, Past Due [Line Items]
Non-Accrual With No Allowance For Credit Loss	0	0
Non-Accrual	0	0
Loans Past Due Over 89 Days Still Accruing	0	0
Home Equity Loans
Financing Receivable, Past Due [Line Items]
Non-Accrual With No Allowance For Credit Loss	776	1,087
Non-Accrual	776	1,087
Loans Past Due Over 89 Days Still Accruing	0	0
Consumer Loans
Financing Receivable, Past Due [Line Items]
Non-Accrual With No Allowance For Credit Loss	30	63
Non-Accrual	33	63
Loans Past Due Over 89 Days Still Accruing	0	0
Credit Cards
Financing Receivable, Past Due [Line Items]
Non-Accrual With No Allowance For Credit Loss	148	54
Non-Accrual	148	54
Loans Past Due Over 89 Days Still Accruing	0	0
Residential Mortgage Loans
Financing Receivable, Past Due [Line Items]
Non-Accrual With No Allowance For Credit Loss	1,471	1,977
Non-Accrual	2,387	2,202
Loans Past Due Over 89 Days Still Accruing	$ 0	$ 0