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Goodwill and Other Acquisition-Related Intangible Assets - Schedule of Amortization of Finite-Lived Acquisition-Related Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Intangibles with finite lives
Accumulated amortization	$ (100,198)	$ (78,805)
Intangibles with indefinite lives
Gross carrying amount	198,197	200,495
Total net carrying amount	97,999	121,690
Community banking
Intangibles with indefinite lives
Total net carrying amount	92,745	115,122
Community banking | Trademarks
Intangibles with indefinite lives
Carrying amount	11,500	13,800
Core deposit intangibles | Community banking
Intangibles with finite lives
Gross carrying amount	158,106	158,106
Accumulated amortization	(76,861)	(56,784)
Net carrying amount	81,245	101,322
Customer list intangibles | Specialty Finance
Intangibles with finite lives
Gross carrying amount	1,961	1,959
Accumulated amortization	(1,932)	(1,881)
Net carrying amount	29	78
Customer list and other intangibles | Wealth management
Intangibles with finite lives
Gross carrying amount	26,630	26,630
Accumulated amortization	(21,405)	(20,140)
Net carrying amount	$ 5,225	$ 6,490

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