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Goodwill and Other Acquisition-Related Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Line Items]
Amortization of other acquisition-related intangible assets	$ 21,393	$ 12,095	$ 5,498
Trademarks
Goodwill [Line Items]
Impairment of indefinite-lived intangible asset	$ 2,300
Community banking | Core deposit intangibles
Goodwill [Line Items]
Amortization period in years, other intangible assets	10 years
Specialty finance
Goodwill [Line Items]
Increase (decrease) goodwill, foreign currency translation	$ 1,000
Specialty finance | Customer list intangibles
Goodwill [Line Items]
Amortization period in years, other intangible assets	18 years
Wealth management | Customer list and other intangibles
Goodwill [Line Items]
Amortization period in years, other intangible assets	10 years

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.

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