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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | Goodwill. Year-end goodwill was as follows:
| 2021 |  | 2020
Goodwill | $ | 654,952 |  |  | $ | 654,952 |
Schedule of Other Intangible Assets | Other Intangible Assets. Year-end other intangible assets were as follows:
| Gross Intangible Assets |  | Accumulated Amortization |  | Net Intangible Assets
2021 |  |  |  |  |
Core deposits | $ | 9,300 |  |  | $ | (8,582) |  |  | $ | 718 |
Customer relationships | 2,385 |  |  | (2,237) |  |  | 148 |
| $ | 11,685 |  |  | $ | (10,819) |  |  | $ | 866 |
2020 |  |  |  |  |
Core deposits | $ | 9,300 |  |  | $ | (8,004) |  |  | $ | 1,296 |
Customer relationships | 2,886 |  |  | (2,619) |  |  | 267 |
| $ | 12,186 |  |  | $ | (10,623) |  |  | $ | 1,563 |
Estimated Aggregate Future Amortization Expense for Intangible Assets | The estimated aggregate future amortization expense for intangible assets remaining as of December 31, 2021 is as follows:
2022 | $ | 481 |
2023 | 282 |
2024 | 87 |
2025 | 11 |
2026 | 5 |
Thereafter | — |
| $ | 866 |

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