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Loans and ACL (Summary of Loan Modifications by Type) (Details) - USD ($)	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023
Extended Maturity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	$ 1,034,000	$ 1,305,000
Extended Maturity and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	28,000	28,000
Commercial Real Estate, Non-owner Occupied | Extended Maturity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	1,034,000	1,034,000
Financing Receivable Modification Percentage of Portfolio Segment	0.0048	0.0048
Commercial Real Estate, Non-owner Occupied | Extended Maturity and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	0	0
Financing Receivable Modification Percentage of Portfolio Segment	0	0
Agricultural Mortgage, Portfolio Segment | Extended Maturity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	0	232,000
Financing Receivable Modification Percentage of Portfolio Segment	0	0.0033
Agricultural Mortgage, Portfolio Segment | Extended Maturity and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	28,000	28,000
Financing Receivable Modification Percentage of Portfolio Segment	$ 0.0004	0.0004
Agricultural Other Portfolio Segment [Member] | Extended Maturity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost		34,000
Financing Receivable Modification Percentage of Portfolio Segment		0.0013
Agricultural Other Portfolio Segment [Member] | Extended Maturity and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost		0
Financing Receivable Modification Percentage of Portfolio Segment		0
Residential Real Estate, Senior Lien, Portfolio Segment | Extended Maturity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost		5,000
Financing Receivable Modification Percentage of Portfolio Segment		0
Residential Real Estate, Senior Lien, Portfolio Segment | Extended Maturity and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost		0
Financing Receivable Modification Percentage of Portfolio Segment		$ 0

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-33

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
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-Section 50
-Paragraph 34
-Publisher FASB
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