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Goodwill and Intangible Assets | 12 Months Ended
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Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets | GOODWILL AND INTANGIBLE ASSETS The table below presents a summary of goodwill:
($ in thousands) | Years ended December 31,
2020 |  | 2019
Goodwill, beginning of year | $ | 210,344 |  |  | $ | 117,345 |
Additions from acquisition | 50,223 |  |  | 92,999 |
Goodwill, end of year | $ | 260,567 |  |  | $ | 210,344 |
The table below presents a summary of intangible assets:
($ in thousands) | Years ended December 31,
2020 |  | 2019
Core deposit intangible, net, beginning of year | $ | 26,076 |  |  | $ | 8,553 |
Additions from acquisition | 2,681 |  |  | 23,066 |
Amortization | (5,673) |  |  | (5,543) |
Core deposit intangible, net, end of year | $ | 23,084 |  |  | $ | 26,076 |
Amortization expense on the core deposit intangibles was $5.7 million, $5.5 million, and $2.5 million for the years ended December 31, 2020, 2019, and 2018, respectively. The core deposit intangibles are being amortized over a 10-year period. The following table reflects the amortization schedule for the core deposit intangible at December 31, 2020.
Year | Core Deposit Intangible ($ in thousands)
2021 | $ | 5,295 |
2022 | 4,517 |
2023 | 3,840 |
2024 | 3,162 |
2025 | 2,485 |
After 2025 | 3,785 |
| $ | 23,084 |

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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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