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GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS (Tables) | 12 Months Ended
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Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets and Goodwill [Table Text Block] | The following table sets forth the carrying value of goodwill and other intangible assets, net of accumulated amortization, at December 31:
| 2024 |  | 2023
| (Dollars in thousands)
Balances not subject to amortization |  |  |
Goodwill | $ | 985,072 |  |  | $ | 985,072 |
Balances subject to amortization |  |  |
Core deposit intangibles | 10,689 |  |  | 15,237 |
Other intangible assets | 1,595 |  |  | 2,953 |
Total other intangible assets | 12,284 |  |  | 18,190 |
Total goodwill and other intangible assets | $ | 997,356 |  |  | $ | 1,003,262 |
Schedule of Other Intangible Assets | The gross carrying amount and accumulated amortization of other intangible assets were as follows at the dates indicated:
| December 31
| 2024 |  | 2023
| Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
| (Dollars in thousands)
Core deposit intangibles | $ | 44,160 |  |  | $ | (33,471) |  |  | $ | 10,689 |  |  | $ | 46,770 |  |  | $ | (31,533) |  |  | $ | 15,237 |
Other intangible assets | 6,100 |  |  | (4,505) |  |  | 1,595 |  |  | 6,100 |  |  | (3,147) |  |  | 2,953 |
Total | $ | 50,260 |  |  | $ | (37,976) |  |  | $ | 12,284 |  |  | $ | 52,870 |  |  | $ | (34,680) |  |  | $ | 18,190 |
Schedule of Intangible Assets Estimated Annual Amortization Expense | The following table sets forth the estimated annual amortization expense of intangible assets for each of the next five years:
Year | Amount
| (Dollars in thousands)
2025 | $ | 4,716 |
2026 | $ | 2,820 |
2027 | $ | 2,077 |
2028 | $ | 1,377 |
2029 | $ | 710 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
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