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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 | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Unamortizable intangible assets: |  |
Goodwill | $ 478,750 | $ 478,750
Intangible Assets Excluding Servicing Assets |  |
Amortizable intangible assets: |  |
Gross Carrying Amount | 59,590 | 59,590
Accumulated Amortization | 39,670 | 36,686
Net Amount | 19,920 | 22,904
Customer lists |  |
Amortizable intangible assets: |  |
Gross Carrying Amount | 1,600 | 1,600
Accumulated Amortization | 1,547 | 1,387
Net Amount | 53 | 213
Core deposit intangibles |  |
Amortizable intangible assets: |  |
Gross Carrying Amount | 57,890 | 57,890
Accumulated Amortization | 38,023 | 35,199
Net Amount | 19,867 | 22,691
Other intangibles |  |
Amortizable intangible assets: |  |
Gross Carrying Amount | 100 | 100
Accumulated Amortization | 100 | 100
Net Amount | $ 0 | $ 0

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