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Loans and ACL (Summary of Nonaccrual Loans with No ACL) (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing Receivable, Nonaccrual | $ 282 | $ 982
Financing Receivable, Nonaccrual, No Allowance | 282 | 926
Commercial and Industrial, Secured, Portfolio Segment |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing Receivable, Nonaccrual | 0 | 491
Financing Receivable, Nonaccrual, No Allowance | 0 | 435
Agricultural Mortgage, Portfolio Segment |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing Receivable, Nonaccrual | 0 | 38
Financing Receivable, Nonaccrual, No Allowance | 0 | 38
Agricultural Other Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing Receivable, Nonaccrual | 0 | 167
Financing Receivable, Nonaccrual, No Allowance | 0 | 167
Residential Real Estate, Senior Lien, Portfolio Segment |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing Receivable, Nonaccrual | 282 | 286
Financing Receivable, Nonaccrual, No Allowance | $ 282 | $ 286

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