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Loans and ACL (Summary of Loan Modifications by Past Due Status) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023
Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	$ 0	$ 5
Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	0	0
Financial Asset, Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	0	5
Commercial Real Estate, Non-owner Occupied | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	0	0
Commercial Real Estate, Non-owner Occupied | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	0	0
Commercial Real Estate, Non-owner Occupied | Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	0	0
Commercial Real Estate, Non-owner Occupied | Financial Asset, Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	0	0
Agricultural Mortgage, Portfolio Segment | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	0	0
Agricultural Mortgage, Portfolio Segment | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	0	0
Agricultural Mortgage, Portfolio Segment | Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	0	0
Agricultural Mortgage, Portfolio Segment | Financial Asset, Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost	$ 0	0
Agricultural Other Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost		0
Agricultural Other Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost		0
Agricultural Other Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost		0
Agricultural Other Portfolio Segment [Member] | Financial Asset, Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost		0
Residential Real Estate, Senior Lien, Portfolio Segment | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost		5
Residential Real Estate, Senior Lien, Portfolio Segment | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost		0
Residential Real Estate, Senior Lien, Portfolio Segment | Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost		0
Residential Real Estate, Senior Lien, Portfolio Segment | Financial Asset, Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable Modifications Amortized Cost		$ 5

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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
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

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
-Name Accounting Standards Codification
-Section 50
-Paragraph 34
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-34

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