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Loans (Analysis of Nonaccrual Loans with no ACL) (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Financing Receivable, Nonaccrual [Line Items] |  |
Amortized Cost of Nonaccrual Loans, No Allowance | $ 9,819 | $ 20,911
Commercial Real Estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Amortized Cost of Nonaccrual Loans, No Allowance | 932 | 6,393
Commercial Business |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Amortized Cost of Nonaccrual Loans, No Allowance | 5,131 | 6,382
Agriculture |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Amortized Cost of Nonaccrual Loans, No Allowance | $ 3,756 | $ 8,136

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