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Goodwill and Other Intangible Assets | 3 Months Ended
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Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Other Intangible Assets | Goodwill and Other Intangible Assets (In Thousands) The carrying amounts of goodwill by operating segments for the three months ended March 31, 2025 are set forth in the table below.
| Community Banks |  |  |  | Total
Balance at January 1, 2025 | $ | 988,898 |  |  |  |  | $ | 988,898 |
Additions to goodwill and other adjustments | — |  |  |  |  | — |
Balance at March 31, 2025 | $ | 988,898 |  |  |  |  | $ | 988,898 |
The following table provides a summary of finite-lived intangible assets as of the dates presented:
| Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
March 31, 2025 |  |  |  |  |
Core deposit intangibles | $ | 82,492 |  |  | $ | (72,699) |  |  | $ | 9,793 |
Customer relationship intangible | 7,670 |  |  | (4,438) |  |  | 3,232 |
Total finite-lived intangible assets | $ | 90,162 |  |  | $ | (77,137) |  |  | $ | 13,025 |
December 31, 2024 |  |  |  |  |
Core deposit intangibles | $ | 82,492 |  |  | $ | (71,881) |  |  | $ | 10,611 |
Customer relationship intangible | 7,670 |  |  | (4,176) |  |  | 3,494 |
Total finite-lived intangible assets | $ | 90,162 |  |  | $ | (76,057) |  |  | $ | 14,105 |
Amortization expense for finite-lived intangible assets is presented in the table below.
| Three Months Ended |  |
| March 31, |  |
| 2025 |  | 2024 |  |  |  |
Amortization expense for: |  |  |  |  |  |  |
Core deposit intangibles | $ | 818 |  |  | $ | 914 |  |  |  |  |
Customer relationship intangible | 262 |  |  | 298 |  |  |  |  |
Total intangible amortization | $ | 1,080 |  |  | $ | 1,212 |  |  |  |  |

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
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