OTHER BORROWINGS - Additional Information (Details) - USD ($) $ in Thousands |
Jan. 29, 2026 |
Sep. 30, 2026 |
Dec. 31, 2025 |
Feb. 15, 2022 |
|---|---|---|---|---|
| Debt Instrument [Line Items] | ||||
| Leveraged loans, compliance period (in years) | 7 years | |||
| Other borrowings | $ 18,173 | $ 25,798 | ||
| Subordinated Debt | Old National Bancorp | ||||
| Debt Instrument [Line Items] | ||||
| Fixed rate | 5.77% | |||
| Subordinated Debt | First Midwest | ||||
| Debt Instrument [Line Items] | ||||
| Debt assumed | $ 150,000 | |||
| Fixed rate | 5.875% | |||
| Subordinated Notes Maturing January 2026 | Subordinated Debt | ||||
| Debt Instrument [Line Items] | ||||
| Issuance amount | $ 450,000 | |||
| Interest rate | 5.768% | |||
| Variable rate | 2.20% |
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- Definition Leveraged Loans, Compliance Period No definition available.
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- Definition Amount of long-term debt assumed in business combination and recognized at acquisition date, classified as noncurrent. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available.
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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