Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The following table presents the original cost and accumulated amortization of intangible assets (in thousands):

	December 31,
	2024		2023
Core deposit premiums	$	103,200	$	103,200
Less: Accumulated amortization	74,654		65,275
Net core deposit premiums	28,546		37,925
Other identifiable intangible assets	51,671		67,151
Less: Accumulated amortization	33,429		45,097
Net other identifiable intangible assets	18,242		22,054
Total intangible assets, net	$	46,788	$	59,979

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Expected amortization expense for intangible assets that will continue to be amortized (in thousands):

	Core Deposit Premiums		Other Identifiable Intangible Assets		Total
2025	$	8,675	$	1,840	$	10,515
2026	7,986		1,521		9,507
2027	6,956		1,336		8,292
2028	4,929		1,044		5,973
2029	—		1,010		1,010
Thereafter	—		11,491		11,491
Total	$	28,546	$	18,242	$	46,788

Schedule of Goodwill [Table Text Block]

The changes in the carrying value of goodwill by operating segment are as follows (in thousands):

	Commercial Banking		Consumer Banking		Wealth Management		Funds Management and Other		Total
Balance, December 31, 2022	$	910,589	$	43,458	$	90,702	$	—	$	1,044,749
Balance, December 31, 2023	910,589		43,458		90,702		—		1,044,749
Balance, December 31, 2024	910,589		43,458		90,702		—		1,044,749