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Goodwill and Other Intangible Assets - Schedule of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Beginning balance	$ 480,440	$ 452,390
Reallocation	0	0
Acquisition		30,512
Divestiture		(2,462)
Ending balance	480,440	480,440
Wholesale Banking Reporting Unit
Goodwill [Roll Forward]
Beginning balance	175,833	171,636
Reallocation	0	4,197
Acquisition		0
Divestiture		0
Ending balance	175,833	175,833
Community Banking Reporting Unit
Goodwill [Roll Forward]
Beginning balance	172,134	141,622
Reallocation	0	0
Acquisition		30,512
Divestiture		0
Ending balance	172,134	172,134
Consumer Banking Reporting Unit
Goodwill [Roll Forward]
Beginning balance	114,701	114,701
Reallocation	0	0
Acquisition		0
Divestiture		0
Ending balance	114,701	114,701
Wealth Management Reporting Unit
Goodwill [Roll Forward]
Beginning balance	17,772	24,431
Reallocation	0	(4,197)
Acquisition		0
Divestiture		(2,462)
Ending balance	$ 17,772	$ 17,772

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