Loans - Non-Accrual and Past Due Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Non-Accrual With No Allowance For Credit Loss	$ 2,870	$ 3,843
Total Non-Accrual	13,921	14,602
Loans Past Due Over 89 Days Still Accruing	1,161	156
Commercial and Industrial Loans
Financing Receivable, Past Due [Line Items]
Non-Accrual With No Allowance For Credit Loss	716	1,989
Total Non-Accrual	9,015	10,530
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	57	145
Total Non-Accrual	2,105	2,243
Loans Past Due Over 89 Days Still Accruing	0	156
Agricultural Loans
Financing Receivable, Past Due [Line Items]
Non-Accrual With No Allowance For Credit Loss	1,018	1,041
Total Non-Accrual	1,018	1,136
Loans Past Due Over 89 Days Still Accruing	1,161	0
Leases
Financing Receivable, Past Due [Line Items]
Non-Accrual With No Allowance For Credit Loss	0	0
Total 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	204	1
Total Non-Accrual	233	24
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	34	16
Total Non-Accrual	79	18
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	59	64
Total Non-Accrual	59	64
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	782	587
Total Non-Accrual	1,412	587
Loans Past Due Over 89 Days Still Accruing	$ 0	$ 0