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GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024
Identifiable Intangible Assets |  |
Gross Carrying Amount | $ 215,375 | $ 213,206
Accumulated Amortization | (171,811) | (164,960)
Net Carrying Amount | 43,564 | 48,246
Estimated aggregate amortization expense for each of five succeeding fiscal years |  |
Jul - Dec 2025 | 6,270 |
2026 | 11,624 |
2027 | 5,744 |
2028 | 4,374 |
2029 | 3,618 |
Thereafter | 11,934 |
Net Carrying Amount | 43,564 | 48,246
Components of goodwill |  |
Goodwill, beginning of period | 853,225 |
Goodwill, Additions/Adjustments | 1,592 |
Goodwill, end of period | 854,817 |
Core deposit intangibles |  |
Identifiable Intangible Assets |  |
Gross Carrying Amount | 77,373 | 77,373
Accumulated Amortization | (73,410) | (72,225)
Net Carrying Amount | 3,963 | 5,148
Estimated aggregate amortization expense for each of five succeeding fiscal years |  |
Net Carrying Amount | 3,963 | 5,148
Other intangibles |  |
Identifiable Intangible Assets |  |
Gross Carrying Amount | 138,002 | 135,833
Accumulated Amortization | (98,401) | (92,735)
Net Carrying Amount | 39,601 | 43,098
Estimated aggregate amortization expense for each of five succeeding fiscal years |  |
Net Carrying Amount | $ 39,601 | $ 43,098

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