GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Gross Carrying Amounts and Accumulated Amortization of Other Intangible Assets (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Intangible Asset, Finite-Lived [Line Items] | ||
| Gross Carrying Amount | $ 671,992 | $ 680,627 |
| Accumulated Amortization and Impairment | (262,652) | (198,341) |
| Net Carrying Amount | 409,340 | 482,286 |
| Core deposit | ||
| Intangible Asset, Finite-Lived [Line Items] | ||
| Gross Carrying Amount | 586,735 | 586,735 |
| Accumulated Amortization and Impairment | (231,635) | (166,160) |
| Net Carrying Amount | 355,100 | 420,575 |
| Customer relationship | ||
| Intangible Asset, Finite-Lived [Line Items] | ||
| Gross Carrying Amount | 85,257 | 93,892 |
| Accumulated Amortization and Impairment | (31,017) | (32,181) |
| Net Carrying Amount | $ 54,240 | $ 61,711 |
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- Definition Amount of accumulated amortization of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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/2009/role/commonPracticeRef
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- Definition Amount, after accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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