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Loans and ACL (Summary of Loan Modifications by Past Due Status) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	$ 8,202				$ 1,331
Financing Receivable, Allowance for Credit Loss, Percent	0.89%	0.95%	0.98%	0.97%	0.96%
Financial Asset, Not Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	$ 8,202				$ 1,331
Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	0				0
Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	0				0
Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	0				0
Commercial and Industrial, Secured, Portfolio Segment
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	1,937
Commercial and Industrial, Secured, Portfolio Segment | Financial Asset, Not Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	1,937
Commercial and Industrial, Secured, Portfolio Segment | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	0
Commercial and Industrial, Secured, Portfolio Segment | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	0
Commercial and Industrial, Secured, Portfolio Segment | Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	0
Commercial Real Estate, Owner Occupied, Portfolio Segment
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	823
Commercial Real Estate, Owner Occupied, Portfolio Segment | Financial Asset, Not Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	823
Commercial Real Estate, Owner Occupied, Portfolio Segment | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	0
Commercial Real Estate, Owner Occupied, Portfolio Segment | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	0
Commercial Real Estate, Owner Occupied, Portfolio Segment | Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	0
Commercial Real Estate, Non-owner Occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months					1,034
Commercial Real Estate, Non-owner Occupied | Financial Asset, Not Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months					1,034
Commercial Real Estate, Non-owner Occupied | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months					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, Excluding Accrued Interest, Modified, after 12 Months					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, Excluding Accrued Interest, Modified, after 12 Months					0
Commercial Real Estate, Multifamily, Portfolio Segment
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	2,917
Commercial Real Estate, Multifamily, Portfolio Segment | Financial Asset, Not Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	2,917
Commercial Real Estate, Multifamily, Portfolio Segment | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	0
Commercial Real Estate, Multifamily, Portfolio Segment | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	0
Commercial Real Estate, Multifamily, Portfolio Segment | Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	0
Agricultural Mortgage, Portfolio Segment
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	1,305				258
Agricultural Mortgage, Portfolio Segment | Financial Asset, Not Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	1,305				258
Agricultural Mortgage, Portfolio Segment | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	0				0
Agricultural Mortgage, Portfolio Segment | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	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, Excluding Accrued Interest, Modified, after 12 Months	0				0
Agricultural Other Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	1,219				34
Agricultural Other Portfolio Segment [Member] | Financial Asset, Not Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	1,219				34
Agricultural Other Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	0				0
Agricultural Other Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	0				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, Excluding Accrued Interest, Modified, after 12 Months	0				0
Residential Real Estate, Senior Lien, Portfolio Segment
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months					5
Residential Real Estate, Senior Lien, Portfolio Segment | Financial Asset, Not Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months					5
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, Excluding Accrued Interest, Modified, after 12 Months					0
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, Excluding Accrued Interest, Modified, after 12 Months					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, Excluding Accrued Interest, Modified, after 12 Months					$ 0
Consumer, Secured, Indirect, Portfolio Segment
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	1
Consumer, Secured, Indirect, Portfolio Segment | Financial Asset, Not Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	1
Consumer, Secured, Indirect, Portfolio Segment | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	0
Consumer, Secured, Indirect, Portfolio Segment | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	0
Consumer, Secured, Indirect, Portfolio Segment | Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months	$ 0

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