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Goodwill and Other Intangible Assets - Schedule of Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Goodwill [Roll Forward] |  |
Beginning balance | $ 452,390 | $ 452,390
Reallocation | 0 | 0
Acquisition | 30,512 |
Divestiture | (2,462) |
Ending balance | 480,440 | 452,390
Wholesale Banking Reporting Unit |  |
Goodwill [Roll Forward] |  |
Beginning balance | 171,636 | 171,636
Reallocation | 4,197 | 0
Acquisition | 0 |
Divestiture | 0 |
Ending balance | 175,833 | 171,636
Community Banking Reporting Unit |  |
Goodwill [Roll Forward] |  |
Beginning balance | 141,622 | 256,323
Reallocation | 0 | (114,701)
Acquisition | 30,512 |
Divestiture | 0 |
Ending balance | 172,134 | 141,622
Consumer Banking Reporting Unit |  |
Goodwill [Roll Forward] |  |
Beginning balance | 114,701 | 0
Reallocation | 0 | 114,701
Acquisition | 0 |
Divestiture | 0 |
Ending balance | 114,701 | 114,701
Wealth Management Reporting Unit |  |
Goodwill [Roll Forward] |  |
Beginning balance | 24,431 | 24,431
Reallocation | (4,197) | 0
Acquisition | 0 |
Divestiture | (2,462) |
Ending balance | $ 17,772 | $ 24,431

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