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Goodwill and Other Intangible Assets | 9 Months Ended
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Sep. 30, 2023
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 September 30, 2023 and December 31, 2022.
|  | September 30, 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 |  |  | n/a
Core deposit intangible |  | $ | 10,503 |  |  | $ | 48,648 |  |  | $ | — |  |  | $ | (8,466) |  |  | $ | 50,685 |  |  | 4.9
Total core deposit intangible |  | $ | 10,503 |  |  | $ | 48,648 |  |  | $ | — |  |  | $ | (8,466) |  |  | $ | 50,685 |  |  |
|  | December 31, 2022
(Dollars in thousands) |  | Gross Carrying Amount |  | Measurement Period Adjustments |  | Accumulated Impairment Charges |  | Accumulated Amortization |  | Net Carrying Amount |  | Weighted Average Remaining Life (in years)
Goodwill |  | $ | 65,631 |  |  | $ | (155) |  |  | $ | (1,543) |  |  | $ | (667) |  |  | $ | 63,266 |  |  | n/a
Core deposit intangible |  | $ | 10,504 |  |  | $ | — |  |  | $ | — |  |  | $ | (4,957) |  |  | $ | 5,547 |  |  | 2.6
Total core deposit intangible |  | $ | 10,504 |  |  | $ | — |  |  | $ | — |  |  | $ | (4,957) |  |  | $ | 5,547 |  |  |
The aggregate amortization expense was $3.5 million for the nine months ended September 30, 2023 and $1.5 million for the nine months ended September 30, 2022. At September 30, 2023, estimated future remaining amortization for amortizing core deposit intangible within the years ending December 31, is as follows:
(Dollars in thousands) |  | Amortization Expense
2023 |  | $ | 2,595 |
2024 |  | 9,779 |
2025 |  | 8,589 |
2026 |  | 7,399 |
2027 |  | 6,208 |
Thereafter |  | 16,115 |
Total amortizing core deposit intangible |  | $ | 50,685 |

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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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