Derivative Instruments - Schedule of Estimated Fair Value of Derivative Instruments Included in Other Assets and Other Liabilities on the Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Designated as Hedging Instrument
Derivative [Line Items]
Derivative Assets	$ 0	$ 168
Derivative Liabilities	0	14,472
Derivatives Not Designated as Hedging Instruments
Derivative [Line Items]
Derivative Assets	83,960	83,727
Derivative Liabilities	113,150	201,917
Derivatives Not Designated as Hedging Instruments \| Interest Rate Contracts
Derivative [Line Items]
Notional Amount	17,208,364	14,653,252
Derivative Assets	83,426	81,099
Derivative Liabilities	109,691	201,847
Derivatives Not Designated as Hedging Instruments \| Mortgage Derivatives \| Mortgage derivatives - interest rate lock commitments
Derivative [Line Items]
Notional Amount	35,844	34,649
Derivative Assets	534	434
Derivative Liabilities	0	0
Derivatives Not Designated as Hedging Instruments \| Mortgage Derivatives \| Mortgage derivatives - forward commitments to sell fixed-rate mortgage loans
Derivative [Line Items]
Notional Amount	49,500	51,500
Derivative Assets	0	233
Derivative Liabilities	118	0
Derivatives Not Designated as Hedging Instruments \| Risk participation agreements
Derivative [Line Items]
Notional Amount	1,042,865	924,267
Derivative Assets	0	0
Derivative Liabilities	22	6
Derivatives Not Designated as Hedging Instruments \| Foreign exchange contracts
Derivative [Line Items]
Notional Amount	142,809	148,805
Derivative Assets	0	1,961
Derivative Liabilities	379	0
Derivatives Not Designated as Hedging Instruments \| Visa Derivative Liability
Derivative [Line Items]
Notional Amount	0	0
Derivative Assets	0	0
Derivative Liabilities	2,940	64
Cash Flow Hedging
Derivative [Line Items]
Derivative Assets	0	0
Derivative Liabilities	0	13,003
Cash Flow Hedging \| Interest Rate Contracts
Derivative [Line Items]
Notional Amount	3,600,000	4,350,000
Derivative Assets	0	0
Derivative Liabilities	0	13,003
Fair Value Hedges
Derivative [Line Items]
Derivative Assets	0	168
Derivative Liabilities	0	1,469
Fair Value Hedges \| Interest Rate Contracts
Derivative [Line Items]
Notional Amount	1,652,967	2,102,967
Derivative Assets	0	168
Derivative Liabilities	$ 0	$ 1,469

Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-7A

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-8

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483466/210-20-50-3

+ Details

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Balance Type:	debit
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- Definition

Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

+ References

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 181
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480401/815-10-55-181

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A

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