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Goodwill and Other Intangible Assets | 3 Months Ended
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Mar. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Other Intangibles | Goodwill and Other Intangibles The following table provides information on the significant components of goodwill and other acquired intangible assets at March 31, 2024 and December 31, 2023.
|  | March 31, 2024
(Dollars in thousands) |  | Gross Carrying Amount |  | Additions |  | Accumulated Impairment Charges |  | Accumulated Amortization |  | Net Carrying Amount |  | Weighted Average Remaining Life (in years)
Goodwill |  | $ | 65,476 |  |  | $ | — |  |  | $ | (1,543) |  |  | $ | (667) |  |  | $ | 63,266 |  |  | 0.0 years
Other intangible assets |  |  |  |  |  |  |  |  |  |  |  |
Amortizable |  |  |  |  |  |  |  |  |  |  |  |
Core deposit intangible |  | $ | 59,151 |  |  | $ | — |  |  | $ | — |  |  | $ | (13,636) |  |  | $ | 45,515 |  |  | 3.7 years
Total other intangible assets |  | $ | 59,151 |  |  | $ | — |  |  | $ | — |  |  | $ | (13,636) |  |  | $ | 45,515 |  |  |
|  | December 31, 2023
(Dollars in thousands) |  | Gross Carrying Amount |  | Additions |  | Accumulated Impairment Charges |  | Accumulated Amortization |  | Net Carrying Amount |  | Weighted Average Remaining Life (in years)
Goodwill |  | $ | 65,476 |  |  | $ | — |  |  | $ | (1,543) |  |  | $ | (667) |  |  | $ | 63,266 |  |  | 0.0 years
Other intangible assets |  |  |  |  |  |  |  |  |  |  |  |
Amortizable |  |  |  |  |  |  |  |  |  |  |  |
Core deposit intangible |  | $ | 10,503 |  |  | 48,648 |  |  | $ | — |  |  | $ | (11,061) |  |  | $ | 48,090 |  |  | 3.7 years
Total other intangible assets |  | $ | 10,503 |  |  | $ | 48,648 |  |  | $ | — |  |  | $ | (11,061) |  |  | $ | 48,090 |  |  |
The aggregate amortization expense was $2.6 million for the three months ended March 31, 2024 and $0.4 million for the three months ended March 31, 2023. At March 31, 2024, estimated future remaining amortization for amortizing core deposit intangibles within the years ending December 31, is as follows:
(Dollars in thousands) |  | Amortization Expense
2024 |  | $ | 7,204 |
2025 |  | 8,589 |
2026 |  | 7,398 |
2027 |  | 6,208 |
2028 |  | 5,060 |
Thereafter |  | 11,056 |
Total amortizing intangible assets |  | $ | 45,515 |

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//350/tableOfContent + Details
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