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Goodwill and Other Intangible Assets | 12 Months Ended
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Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Other Intangible Assets | Goodwill and Other Intangible Assets Goodwill. Year-end goodwill was as follows:
| 2022 |  | 2021
Goodwill | $ | 654,952 |  |  | $ | 654,952 |
Other Intangible Assets. Year-end other intangible assets were as follows:
| Gross Intangible Assets |  | Accumulated Amortization |  | Net Intangible Assets
2022 |  |  |  |  |
Core deposits | $ | 9,300 |  |  | $ | (8,990) |  |  | $ | 310 |
Customer relationships | 1,521 |  |  | (1,445) |  |  | 76 |
| $ | 10,821 |  |  | $ | (10,435) |  |  | $ | 386 |
2021 |  |  |  |  |
Core deposits | $ | 9,300 |  |  | $ | (8,582) |  |  | $ | 718 |
Customer relationships | 2,385 |  |  | (2,237) |  |  | 148 |
| $ | 11,685 |  |  | $ | (10,819) |  |  | $ | 866 |
Other intangible assets are amortized on an accelerated basis over their estimated lives, which range from 5 to 10 years. Amortization expense related to intangible assets totaled $480 thousand in 2022, $697 thousand in 2021, and $918 thousand in 2020. The estimated aggregate future amortization expense for intangible assets remaining as of December 31, 2022 is as follows:
2023 | $ | 283 |
2024 | 87 |
2025 | 11 |
2026 | 5 |
| $ | 386 |

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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 https://asc.fasb.org/topic&trid=2144416 + Details
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