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Loans and ACL (Summary of Loan Modifications by Past Due Status) (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024
--- | --- | --- | --- | --- | ---
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months | $ 6,996 |  |  |  | $ 7,938
Individually evaluated for impairment, ACL | 0 | $ 0 | $ 0 | $ 0 | 137
Collateral Pledged |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Individually evaluated for impairment, ACL |  |  | $ 0 |  |
Financial Asset, Not Past Due |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months | 6,897 |  |  |  | 7,938
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 | 99 |  |  |  | 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 | 3,736 |  |  |  | 2,136
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 | 3,637 |  |  |  | 2,136
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 | 99 |  |  |  | 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 |  |  |  | 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 |  |  |  | 0
Commercial Real Estate, Owner Occupied, Portfolio Segment |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months | 2,852 |  |  |  | 941
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 | 2,852 |  |  |  | 941
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 |  |  |  | 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 |  |  |  | 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 |  |  |  | 0
Commercial Real Estate, Multifamily, Portfolio Segment |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months |  |  |  |  | 2,947
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 |  |  |  |  | 2,947
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 | 276 |  |  |  | 1,405
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 | 276 |  |  |  | 1,405
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 | 132 |  |  |  | 507
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 | 132 |  |  |  | 507
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
Consumer, Secured, Indirect, Portfolio Segment |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months |  |  |  |  | 2
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 |  |  |  |  | 2
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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