Loans and Allowance for Credit Losses for Loans - Summary of Activity in Allowance for Loan Losses (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Allowance for loan losses:
Beginning balance	$ 446,080	$ 458,655
Loans charged-off	(215,112)	(75,453)
Charged-off loans recovered	13,502	13,491
Net (charge-offs) recoveries	(201,610)	(61,962)
Provision for loan losses	314,380	50,755
Ending balance	558,850	446,080
Cumulative Effect, Period of Adoption, Adjusted Balance
Allowance for loan losses:
Beginning balance		457,287
Cumulative Effect, Period of Adoption, Adjustment
Allowance for loan losses:
Beginning balance		(1,368)
Commercial and Industrial
Allowance for loan losses:
Beginning balance	133,359	139,941
Loans charged-off	(68,299)	(48,015)
Charged-off loans recovered	6,038	11,270
Net (charge-offs) recoveries	(62,261)	(36,745)
Provision for loan losses	101,904	30,902
Ending balance	173,002	133,359
Commercial and Industrial \| Cumulative Effect, Period of Adoption, Adjusted Balance
Allowance for loan losses:
Beginning balance		139,202
Commercial and Industrial \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for loan losses:
Beginning balance		(739)
Commercial real estate
Allowance for loan losses:
Beginning balance	249,598	259,408
Loans charged-off	(138,495)	(22,946)
Charged-off loans recovered	5,130	34
Net (charge-offs) recoveries	(133,365)	(22,912)
Provision for loan losses	187,915	13,691
Ending balance	304,148	249,598
Commercial real estate \| Cumulative Effect, Period of Adoption, Adjusted Balance
Allowance for loan losses:
Beginning balance		258,819
Commercial real estate \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for loan losses:
Beginning balance		(589)
Residential Mortgage
Allowance for loan losses:
Beginning balance	42,957	39,020
Loans charged-off	(29)	(194)
Charged-off loans recovered	140	201
Net (charge-offs) recoveries	111	7
Provision for loan losses	15,827	3,942
Ending balance	58,895	42,957
Residential Mortgage \| Cumulative Effect, Period of Adoption, Adjusted Balance
Allowance for loan losses:
Beginning balance		39,008
Residential Mortgage \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for loan losses:
Beginning balance		(12)
Consumer
Allowance for loan losses:
Beginning balance	20,166	20,286
Loans charged-off	(8,289)	(4,298)
Charged-off loans recovered	2,194	1,986
Net (charge-offs) recoveries	(6,095)	(2,312)
Provision for loan losses	8,734	2,220
Ending balance	$ 22,805	20,166
Consumer \| Cumulative Effect, Period of Adoption, Adjusted Balance
Allowance for loan losses:
Beginning balance		20,258
Consumer \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for loan losses:
Beginning balance		$ (28)

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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Amount, excluding accrued interest, of decrease (increase) in allowance for credit loss on financing receivable from writeoff (recovery). Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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