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Goodwill and Other Acquisition-Related Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Indefinite-lived Intangible Assets [Line Items]
Amortization of other acquisition-related intangible assets	$ 4,921	$ 5,580	$ 9,879	$ 11,198
Community Banking
Indefinite-lived Intangible Assets [Line Items]
Increase (decrease) in goodwill, foreign currency translation			$ (741)
Community Banking \| Core deposit intangibles
Indefinite-lived Intangible Assets [Line Items]
Amortization period in years, other intangible assets	10 years		10 years
Specialty finance
Indefinite-lived Intangible Assets [Line Items]
Goodwill transfer			$ 11,300
Specialty finance \| Customer list intangibles
Indefinite-lived Intangible Assets [Line Items]
Amortization period in years, other intangible assets	18 years		18 years
Wealth management \| Customer list and other intangibles
Indefinite-lived Intangible Assets [Line Items]
Amortization period in years, other intangible assets	10 years		10 years