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v3.25.4

Other Borrowings - Other Borrowings (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Debt Instrument [Line Items] |  |
Lease liability | $ 25,798 | $ 24,822
Other borrowings | 852,429 | 689,618
Old National Bank |  |
Debt Instrument [Line Items] |  |
Other basis adjustments | 10,789 | 112,853
Lease liability | 25,798 | 24,822
Derivative collateralize position amount | 10,800 | 112,800
Old National Bancorp |  |
Debt Instrument [Line Items] |  |
Other basis adjustments | 7,891 | 13,049
Other borrowings | 356,390 | 329,692
Subordinated Debt | Old National Bank |  |
Debt Instrument [Line Items] |  |
Subordinated debentures | $ 0 | 12,000
Subordinated Debt | Subordinated debentures (fixed rate 5.88%) maturing September 2026 | Old National Bancorp |  |
Debt Instrument [Line Items] |  |
Fixed rates | 5.88% |
Subordinated debentures | $ 150,000 | 150,000
Subordinated Debt | Subordinated debentures redeemed in September 2025 | Old National Bancorp |  |
Debt Instrument [Line Items] |  |
Subordinated debentures | 0 | 30,000
Junior Subordinated Debentures | Old National Bancorp |  |
Debt Instrument [Line Items] |  |
Junior subordinated debentures (rates of 5.38% to 7.68%) maturing July 2031 to September 2037 | $ 198,499 | 136,643
Junior Subordinated Debentures | Minimum | Old National Bancorp |  |
Debt Instrument [Line Items] |  |
Variable rates | 5.38% |
Junior Subordinated Debentures | Maximum | Old National Bancorp |  |
Debt Instrument [Line Items] |  |
Variable rates | 7.68% |
Leveraged Loans for NMTC | Old National Bank |  |
Debt Instrument [Line Items] |  |
Leveraged loans for NMTC (fixed rates of 1.00% to 7.25%) maturing December 2027 to December 2060 | $ 459,452 | $ 210,251
Leveraged Loans for NMTC | Minimum | Old National Bank |  |
Debt Instrument [Line Items] |  |
Fixed rates | 1.00% |
Leveraged Loans for NMTC | Maximum | Old National Bank |  |
Debt Instrument [Line Items] |  |
Fixed rates | 7.25% |

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