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Loans and ACL (Summary of Loan Modification Effects) (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2023
Commercial Real Estate, Non-owner Occupied | Extended Maturity |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable Modification Weighted Average Extension Term | 3 years | 3 years
Agricultural Mortgage, Portfolio Segment | Interest Rate Below Market Reduction [Member] |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification | 4.50% | 4.50%
Agricultural Mortgage, Portfolio Segment | Extended Maturity |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable Modification Weighted Average Extension Term | 1 year 9 months | 1 year 29 days
Agricultural Other Portfolio Segment [Member] | Extended Maturity |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable Modification Weighted Average Extension Term |  | 1 year
Residential Real Estate, Senior Lien, Portfolio Segment | Extended Maturity |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Financing Receivable Modification Weighted Average Extension Term |  | 2 years 7 months 6 days

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