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Goodwill, Other Intangible Assets and Servicing Assets - Summary of the Gross Carrying Amount and Accumulated Amortization of Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Unamortizable intangible assets: |  |  |
Goodwill | $ 478,750 | $ 478,750 | $ 364,263
Intangible Assets Excluding Servicing Assets |  |  |
Amortizable intangible assets: |  |  |
Gross Carrying Amount | 59,590 | 60,690 |
Accumulated Amortization | 36,686 | 31,183 |
Total | 22,904 | 29,507 |
Customer lists |  |  |
Amortizable intangible assets: |  |  |
Gross Carrying Amount | 1,600 | 2,700 |
Accumulated Amortization | 1,387 | 2,167 |
Total | 213 | 533 |
Core deposit intangibles |  |  |
Amortizable intangible assets: |  |  |
Gross Carrying Amount | 57,890 | 57,890 |
Accumulated Amortization | 35,199 | 28,933 |
Total | 22,691 | 28,957 |
Other |  |  |
Amortizable intangible assets: |  |  |
Gross Carrying Amount | 100 | 100 |
Accumulated Amortization | 100 | 83 |
Total | $ 0 | $ 17 |

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