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Goodwill and Other Intangible Assets | 12 Months Ended
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Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Other Intangible Assets |
8. | GOODWILL AND OTHER INTANGIBLE ASSETS
The following table presents the changes in the carrying amount of goodwill for the periods presented.
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |
|  | (Dollars in thousands) |
Balance, beginning of period |  | $ | 663,707 |  |  | $ | 666,539 |
Purchase accounting adjustments |  |  | - |  |  |  | (2,832 | )
Balance, end of period |  | $ | 663,707 |  |  | $ | 663,707 |
The following summarizes changes in CDI and the related accumulated amortization for the periods presented.
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |
|  | Gross CDI |  |  | Accumulated |  |  | Net CDI |  |  | Gross CDI |  |  | Accumulated |  |  | Net CDI |
|  | Amount |  |  | Amortization |  |  | Amount |  |  | Amount |  |  | Amortization |  |  | Amount |
|  | (Dollars in thousands) |
Balance of intangible assets, beginning of period |  | $ | 93,297 |  |  | $ | (50,311 | ) |  | $ | 42,986 |  |  | $ | 93,297 |  |  | $ | (39,513 | ) |  | $ | 53,784 |
Amortization |  |  |  |  |  |  | (9,352 | ) |  |  | (9,352 | ) |  |  |  |  |  |  | (10,798 | ) |  |  | (10,798 | )
Balance of intangible assets, end of period |  | $ | 93,297 |  |  | $ | (59,663 | ) |  | $ | 33,634 |  |  | $ | 93,297 |  |  | $ | (50,311 | ) |  | $ | 42,986 |
The following table reflects the estimated amortization expense for the periods presented, as of December 31, 2020.
|  | December 31, 2020 |
Year: |  | (Dollars in thousands) |
2021 |  | $ | 8,240 |
2022 |  |  | 7,126 |
2023 |  |  | 6,010 |
2024 |  |  | 4,892 |
2025 |  |  | 3,773 |
Thereafter |  |  | 3,593 |
Total |  | $ | 33,634 |
At December 31, 2020 the weighted average remaining life of intangible assets is approximately 2.54 years.

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- References No definition available. + Details
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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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Namespace Prefix: | us-gaap_
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