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Other Intangibles (Tables) | 3 Months Ended
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Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of core deposit intangibles | The carrying basis and accumulated amortization of recognized core deposit intangibles are noted below.
| March 31, 2021 |  | December 31, 2020
Gross carrying amount | $ | 102,396 |  |  | $ | 102,396 |
Accumulated amortization | (74,778) |  |  | (73,421) |
Total core deposit intangibles | $ | 27,618 |  |  | $ | 28,975 |
Schedule of estimated future amortization expense | Estimated future amortization expense is summarized as follows:
| Amortization Expense
2021 | $ | 4,072 |
2022 | 5,027 |
2023 | 4,827 |
2024 | 4,241 |
2025 | 3,526 |
After 2025 | 5,925 |
| $ | 27,618 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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