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v3.24.1.u1

Other Borrowings - Summary of Other Borrowings (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Debt Instrument [Line Items] |  |
Lease liability | $ 20,108 | $ 20,955
Other borrowings | 813,213 | 764,870
Old National Bank |  |
Debt Instrument [Line Items] |  |
Other basis adjustments | 134,370 | 97,872
Lease liability | 20,108 | 20,955
Derivative collateralize position amount | 134,200 | 97,600
Old National Bancorp |  |
Debt Instrument [Line Items] |  |
Other basis adjustments | $ 16,916 | 18,207
Senior Unsecured Notes | Old National Bancorp |  |
Debt Instrument [Line Items] |  |
Fixed rates | 4.125% |
Senior unsecured notes (fixed rate 4.125%) maturing August 2024 | $ 175,000 | 175,000
Unamortized debt issuance costs related to senior unsecured notes | $ (52) | (91)
Subordinated Debt | Old National Bank |  |
Debt Instrument [Line Items] |  |
Variable rates | 9.94% |
Subordinated debentures | $ 12,000 | 12,000
Subordinated Debt | Old National Bank | Secured Overnight Financing Rate |  |
Debt Instrument [Line Items] |  |
Variable rate | 4.618% |
Subordinated Debt | Old National Bancorp |  |
Debt Instrument [Line Items] |  |
Fixed rates | 5.875% |
Subordinated debentures | $ 150,000 | 150,000
Junior Subordinated Debentures | Old National Bancorp |  |
Debt Instrument [Line Items] |  |
Junior subordinated debentures (rates of 6.95% to 9.15%) maturing July 2031 to September 2037 | 136,643 | 136,643
Leveraged Loans for NMTC | Old National Bank |  |
Debt Instrument [Line Items] |  |
Leveraged loans for NMTC (fixed rates of 1.00% to 1.43%) maturing December 2046 to June 2060 | $ 168,228 | $ 154,284
Minimum | Junior Subordinated Debentures | Old National Bancorp |  |
Debt Instrument [Line Items] |  |
Variable rates | 6.95% |
Minimum | Leveraged Loans for NMTC | Old National Bank |  |
Debt Instrument [Line Items] |  |
Fixed rates | 1.00% |
Maximum | Junior Subordinated Debentures | Old National Bancorp |  |
Debt Instrument [Line Items] |  |
Variable rates | 9.15% |
Maximum | Leveraged Loans for NMTC | Old National Bank |  |
Debt Instrument [Line Items] |  |
Fixed rates | 1.43% |

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