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Loan and Lease Financings (Details 4) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) item | Sep. 30, 2024 USD ($) item | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($)
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Percent of Total Segment of Financing Receivable | 0.00% | 0.03% | 0.04% | 0.47% |  |
Commitments to lend additional amounts | $ 4,450 | $ 0 | $ 4,450 | $ 0 | $ 4,450 | $ 0
Weighted Average Interest Rate Reduction |  |  |  |  | 0.00% | 0.00%
Weighted Average Term Extension Modification (in months) |  |  |  |  | 11 months | 10 months
Weighted Average Payment Delay (in months) |  |  |  |  | 6 months | 6 months
Combination Weighted Average Payment Delay and Term Extension (in months) |  |  |  |  | 4 months | 4 months
Loan modifications to borrowers experiencing financial difficulties subsequent default | item |  |  | 1 | 1 |  |
Loans and Leases Receivable Evaluated for Impairment | 250 | 250 | $ 250 | $ 250 | $ 250 | $ 250
Payment Delay |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties | 0 | 2,040 | 0 | 2,040 |  |
Term Extension |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties | 0 | 10 | 2,654 | 118 |  |
Interest Rate Reduction |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties | 0 | 0 | 0 | 0 |  |
Combination Payment Delay and Term Extension |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties | $ 300 | $ 0 | $ 300 | $ 28,847 |  |
Current |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | 4,804 | 39,650
30 to 59 Days Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | 519 | 0
60 to 89 Days Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | 0 | 0
90 Days or More Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | 4,928 | 0
Total Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | $ 5,447 | $ 0
Commercial and agricultural |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Percent of Total Segment of Financing Receivable | 0.04% | 0.15% | 0.33% | 0.16% |  |
Weighted Average Interest Rate Reduction |  |  |  |  | 0.00% | 0.00%
Weighted Average Term Extension Modification (in months) |  |  |  |  | 11 months | 10 months
Weighted Average Payment Delay (in months) |  |  |  |  | 6 months | 6 months
Combination Weighted Average Payment Delay and Term Extension (in months) |  |  |  |  | 8 months | 3 months
Commercial and agricultural | Payment Delay |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties | $ 0 | $ 1,052 | $ 0 | $ 1,052 |  |
Commercial and agricultural | Term Extension |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties | 0 | 10 | 2,191 | 118 |  |
Commercial and agricultural | Interest Rate Reduction |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties | 0 | 0 | 0 | 0 |  |
Commercial and agricultural | Combination Payment Delay and Term Extension |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties | $ 300 | $ 0 | $ 300 | $ 0 |  |
Commercial and agricultural | Current |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | $ 2,384 | $ 1,170
Commercial and agricultural | 30 to 59 Days Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | 107 | 0
Commercial and agricultural | 60 to 89 Days Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | 0 | 0
Commercial and agricultural | 90 Days or More Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | 0 | 0
Commercial and agricultural | Total Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | $ 107 | $ 0
Construction equipment |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Percent of Total Segment of Financing Receivable |  |  | 0.04% |  |  |
Weighted Average Interest Rate Reduction |  |  |  |  | 0.00% |
Weighted Average Term Extension Modification (in months) |  |  |  |  | 5 months |
Weighted Average Payment Delay (in months) |  |  |  |  | 0 months |
Combination Weighted Average Payment Delay and Term Extension (in months) |  |  |  |  | 0 months |
Construction equipment | Payment Delay |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  | $ 0 |  |  |
Construction equipment | Term Extension |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  | 463 |  |  |
Construction equipment | Interest Rate Reduction |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  | 0 |  |  |
Construction equipment | Combination Payment Delay and Term Extension |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  | $ 0 |  |  |
Construction equipment | Current |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | $ 51 |
Construction equipment | 30 to 59 Days Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | 412 |
Construction equipment | 60 to 89 Days Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | 0 |
Construction equipment | 90 Days or More Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | 0 |
Construction equipment | Total Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | $ 412 |
Commercial real estate |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Percent of Total Segment of Financing Receivable |  | 0.09% |  | 0.09% |  |
Weighted Average Interest Rate Reduction |  |  |  |  | 0.00% | 0.00%
Weighted Average Term Extension Modification (in months) |  |  |  |  | 0 months | 0 months
Weighted Average Payment Delay (in months) |  |  |  |  | 6 months | 6 months
Combination Weighted Average Payment Delay and Term Extension (in months) |  |  |  |  | 0 months | 0 months
Commercial real estate | Payment Delay |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  | $ 988 |  | $ 988 |  |
Commercial real estate | Term Extension |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  | 0 |  | 0 |  |
Commercial real estate | Interest Rate Reduction |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  | 0 |  | 0 |  |
Commercial real estate | Combination Payment Delay and Term Extension |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  | $ 0 |  | $ 0 |  |
Commercial real estate | Current |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  | $ 988
Commercial real estate | 30 to 59 Days Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  | 0
Commercial real estate | 60 to 89 Days Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  | 0
Commercial real estate | 90 Days or More Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  | 0
Commercial real estate | Total Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  | $ 0
Auto and light truck |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Percent of Total Segment of Financing Receivable |  |  |  | 3.04% |  |
Weighted Average Interest Rate Reduction |  |  |  |  | 0.00% | 0.00%
Weighted Average Term Extension Modification (in months) |  |  |  |  | 0 months | 0 months
Weighted Average Payment Delay (in months) |  |  |  |  | 0 months | 0 months
Combination Weighted Average Payment Delay and Term Extension (in months) |  |  |  |  | 3 months | 3 months
Auto and light truck | Payment Delay |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default |  |  |  | $ 0 |  |
Auto and light truck | Term Extension |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default |  |  |  | 0 |  |
Auto and light truck | Interest Rate Reduction |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default |  |  |  | 0 |  |
Auto and light truck | Combination Payment Delay and Term Extension |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  | $ 28,847 |  |
Auto and light truck | Current |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | $ 0 | $ 28,847
Auto and light truck | 30 to 59 Days Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | 0 | 0
Auto and light truck | 60 to 89 Days Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | 0 | 0
Auto and light truck | 90 Days or More Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | 4,928 | 0
Auto and light truck | Total Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | $ 4,928 | $ 0
Medium and heavy duty truck |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Weighted Average Interest Rate Reduction |  |  |  |  | 0.00% | 0.00%
Weighted Average Term Extension Modification (in months) |  |  |  |  | 0 months | 0 months
Weighted Average Payment Delay (in months) |  |  |  |  | 0 months | 0 months
Combination Weighted Average Payment Delay and Term Extension (in months) |  |  |  |  | 4 months | 6 months
Medium and heavy duty truck | Current |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | $ 2,369 | $ 8,645
Medium and heavy duty truck | 30 to 59 Days Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | 0 | 0
Medium and heavy duty truck | 60 to 89 Days Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | 0 | 0
Medium and heavy duty truck | 90 Days or More Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | 0 | 0
Medium and heavy duty truck | Total Past Due |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  |  |
Loan modifications to borrowers experiencing financial difficulties |  |  |  |  | $ 0 | $ 0

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