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Loans and ACL (Summary of Nonaccrual Loans With No ACL) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	$ 1,283	$ 982
Financing Receivable, Nonaccrual, No Allowance	934	926
Commercial and Industrial, Secured, Portfolio Segment
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	567	491
Financing Receivable, Nonaccrual, No Allowance	292	435
Commercial Real Estate, Owner Occupied, Portfolio Segment
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	234	0
Financing Receivable, Nonaccrual, No Allowance	160	0
Agricultural Mortgage, Portfolio Segment
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	22	38
Financing Receivable, Nonaccrual, No Allowance	22	38
Agricultural Other Portfolio Segment [Member]
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	167	167
Financing Receivable, Nonaccrual, No Allowance	167	167
Residential Real Estate, Senior Lien, Portfolio Segment
Financing Receivable, Nonaccrual [Line Items]
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	293	286
Financing Receivable, Nonaccrual, No Allowance	$ 293	$ 286

X

- Definition

Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

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- Definition

Reflects the carrying amount of loans deemed to be questionable as to collection on which no interest is continuing to be recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-7

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