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Loans and ACL (Summary of specific reserves by segments) (Details) - Collateral Pledged - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Individually evaluated for impairment, Loans | $ 1,168 | $ 1,083
Individually evaluated for impairment, ACL | 349 | 84
Commercial [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Individually evaluated for impairment, Loans | 550 | 465
Individually evaluated for impairment, ACL | 275 | 56
Commercial Real Estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Individually evaluated for impairment, Loans | 234 | 234
Individually evaluated for impairment, ACL | 74 | 28
Agricultural [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Individually evaluated for impairment, Loans | 167 | 181
Individually evaluated for impairment, ACL | 0 | 0
Residential Mortgage |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Individually evaluated for impairment, Loans | 217 | 203
Individually evaluated for impairment, ACL | 0 | 0
Consumer Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Individually evaluated for impairment, Loans | 0 | 0
Individually evaluated for impairment, ACL | $ 0 | $ 0

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