Loans and Leases and Allowance for Credit Losses - Nonaccrual Loans and Leases (Details) $ in Thousands	Sep. 30, 2022 USD ($)
Financing Receivable, Excluding Accrued Interest, Nonaccrual [Abstract]
Nonaccrual loans, with no allowance for credit loss	$ 10,392
Nonaccrual loans, with an allowance for credit loss	16,380
Nonaccrual loans, total	26,772
Loans past due 90+ accruing	7
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual [Abstract]
Nonaccrual loans, with no allowance for credit loss	10,223
Nonaccrual loans, with an allowance for credit loss	8,593
Nonaccrual loans, total	18,816
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | 1-4 Family - Closed-End [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual [Abstract]
Nonaccrual loans, with no allowance for credit loss	485
Nonaccrual loans, total	485
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Equity Lines [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual [Abstract]
Nonaccrual loans, with no allowance for credit loss	61
Nonaccrual loans, total	61
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | Farmland [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual [Abstract]
Nonaccrual loans, with no allowance for credit loss	9,677
Nonaccrual loans, with an allowance for credit loss	8,593
Nonaccrual loans, total	18,270
Agricultural Portfolio Segment [Member] | Agricultural Sector [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual [Abstract]
Nonaccrual loans, with no allowance for credit loss	82
Nonaccrual loans, with an allowance for credit loss	7,649
Nonaccrual loans, total	7,731
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member] | Commercial and Industrial Loans and Leases [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual [Abstract]
Nonaccrual loans, with no allowance for credit loss	87
Nonaccrual loans, with an allowance for credit loss	138
Nonaccrual loans, total	225
Loans past due 90+ accruing	$ 7