Goodwill and Other Acquisition-Related Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets, Net [Abstract]
Accumulated amortization	$ (66,710)	$ (61,212)
Indefinite-lived Intangible Assets (Excluding Goodwill) [Abstract]
Gross carrying amount	89,599	83,398
Total net carrying amount	22,889	22,186
Community banking
Indefinite-lived Intangible Assets (Excluding Goodwill) [Abstract]
Total net carrying amount	14,881	18,505
Community banking \| Trademarks
Indefinite-lived Intangible Assets (Excluding Goodwill) [Abstract]
Carrying amount	5,800	5,800
Community banking \| Core deposit intangibles
Finite-Lived Intangible Assets, Net [Abstract]
Gross carrying amount	55,206	55,206
Accumulated amortization	(46,125)	(42,501)
Net carrying amount	9,081	12,705
Specialty finance \| Customer list intangibles
Finite-Lived Intangible Assets, Net [Abstract]
Gross carrying amount	1,963	1,962
Accumulated amortization	(1,837)	(1,785)
Net carrying amount	126	177
Wealth management \| Customer list and other intangibles
Finite-Lived Intangible Assets, Net [Abstract]
Gross carrying amount	26,630	20,430
Accumulated amortization	(18,748)	(16,926)
Net carrying amount	$ 7,882	$ 3,504

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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