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Goodwill and Other Intangible Assets - Schedule of Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Goodwill [Roll Forward] |  |
Beginning balance | $ 480,440 | $ 480,440
Change in goodwill | 0 | 0
Ending balance | 480,440 | 480,440
Wholesale Banking Reporting Unit |  |
Goodwill [Roll Forward] |  |
Beginning balance | 175,833 | 175,833
Change in goodwill | 0 | 0
Ending balance | 175,833 | 175,833
Community Banking Reporting Unit |  |
Goodwill [Roll Forward] |  |
Beginning balance | 172,134 | 172,134
Change in goodwill | 0 | 0
Ending balance | 172,134 | 172,134
Consumer Banking Reporting Unit |  |
Goodwill [Roll Forward] |  |
Beginning balance | 114,701 | 114,701
Change in goodwill | 0 | 0
Ending balance | 114,701 | 114,701
Wealth Management Reporting Unit |  |
Goodwill [Roll Forward] |  |
Beginning balance | 17,772 | 17,772
Change in goodwill | 0 | 0
Ending balance | $ 17,772 | $ 17,772

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