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Loan and Lease Financings (Details 3) - USD ($) $ in Thousands | Sep. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | --- | --- | --- | --- | ---
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Allowance for loan and lease losses | $ 161,430 | $ 163,484 | $ 155,540 | $ 152,324 | $ 150,067 | $ 147,552
Real estate |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 714 |  | 1,055 |  |  |
Real estate | Commercial and agricultural |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 0 |  | 0 |  |  |
Real estate | Auto and light truck |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 0 |  | 0 |  |  |
Real estate | Medium and heavy duty truck |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 0 |  |  |  |  |
Real estate | Construction equipment |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 0 |  | 0 |  |  |
Real estate | Commercial real estate |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 714 |  | 1,055 |  |  |
Equipment |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 53,831 |  | 18,343 |  |  |
Equipment | Commercial and agricultural |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 0 |  | 0 |  |  |
Equipment | Auto and light truck |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 39,073 |  | 939 |  |  |
Equipment | Medium and heavy duty truck |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 1,606 |  |  |  |  |
Equipment | Construction equipment |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 13,152 |  | 17,404 |  |  |
Equipment | Commercial real estate |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 0 |  | 0 |  |  |
General business assets |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 1,320 |  | 4,102 |  |  |
General business assets | Commercial and agricultural |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 1,320 |  | 4,102 |  |  |
General business assets | Auto and light truck |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 0 |  | 0 |  |  |
General business assets | Medium and heavy duty truck |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 0 |  |  |  |  |
General business assets | Construction equipment |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 0 |  | 0 |  |  |
General business assets | Commercial real estate |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 0 |  | 0 |  |  |
Collateral Pledged |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 55,865 |  | 23,500 |  |  |
Allowance for loan and lease losses | 1,158 |  | 209 |  |  |
Collateral Pledged | Commercial and agricultural |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 1,320 |  | 4,102 |  |  |
Allowance for loan and lease losses | 0 |  | 209 |  |  |
Collateral Pledged | Auto and light truck |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 39,073 |  | 939 |  |  |
Allowance for loan and lease losses | 823 |  | 0 |  |  |
Collateral Pledged | Medium and heavy duty truck |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 1,606 |  |  |  |  |
Allowance for loan and lease losses | 296 |  |  |  |  |
Collateral Pledged | Construction equipment |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 13,152 |  | 17,404 |  |  |
Allowance for loan and lease losses | 39 |  | 0 |  |  |
Collateral Pledged | Commercial real estate |  |  |  |  |  |
Amortized cost of collateral-dependent loans and leases |  |  |  |  |  |
Loans and leases | 714 |  | 1,055 |  |  |
Allowance for loan and lease losses | $ 0 |  | $ 0 |  |  |

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
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- Definition Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
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