Goodwill and Other Acquisition-Related Intangible Assets - Schedule of Goodwill Assets by Reporting Unit (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2024 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 656,672
Goodwill Acquired	144,586
Impairment Loss	0
Goodwill Adjustments	(478)
Ending balance	800,780
Community banking
Goodwill [Roll Forward]
Beginning balance	545,671
Goodwill Acquired	144,586
Impairment Loss	0
Goodwill Adjustments	0
Ending balance	690,257
Specialty finance
Goodwill [Roll Forward]
Beginning balance	39,006
Goodwill Acquired	0
Impairment Loss	0
Goodwill Adjustments	(478)
Ending balance	38,528
Wealth management
Goodwill [Roll Forward]
Beginning balance	71,995
Goodwill Acquired	0
Impairment Loss	0
Goodwill Adjustments	0
Ending balance	$ 71,995