Derivative Instruments and Hedging Activities - Schedule of Estimated Fair Value of Derivative Instruments included in the Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Designated as Hedging Instrument
Derivative [Line Items]
Estimated fair value of derivative assets	$ 6	$ 168
Estimated fair value of derivative liabilities	16	14,472
Not Designated as Hedging Instruments
Derivative [Line Items]
Estimated fair value of derivative assets	82,658	83,727
Estimated fair value of derivative liabilities	134,690	201,917
Not Designated as Hedging Instruments \| Interest rate contracts
Derivative [Line Items]
Notional Amount	15,905,841	14,653,252
Estimated fair value of derivative assets	81,546	81,099
Estimated fair value of derivative liabilities	132,384	201,847
Not Designated as Hedging Instruments \| Mortgage Derivatives \| Mortgage derivatives - interest rate lock commitments
Derivative [Line Items]
Notional Amount	52,971	34,649
Estimated fair value of derivative assets	1,112	434
Estimated fair value of derivative liabilities	0	0
Not Designated as Hedging Instruments \| Mortgage Derivatives \| Mortgage derivatives - forward commitments to sell fixed-rate mortgage loans
Derivative [Line Items]
Notional Amount	78,000	51,500
Estimated fair value of derivative assets	0	233
Estimated fair value of derivative liabilities	472	0
Not Designated as Hedging Instruments \| Risk participation agreements
Derivative [Line Items]
Notional Amount	937,941	924,267
Estimated fair value of derivative assets	0	0
Estimated fair value of derivative liabilities	14	6
Not Designated as Hedging Instruments \| Foreign exchange contracts
Derivative [Line Items]
Notional Amount	95,381	148,805
Estimated fair value of derivative assets	0	1,961
Estimated fair value of derivative liabilities	1,758	0
Not Designated as Hedging Instruments \| Visa derivative
Derivative [Line Items]
Notional Amount	0	0
Estimated fair value of derivative assets	0	0
Estimated fair value of derivative liabilities	62	64
Cash Flow Hedges
Derivative [Line Items]
Estimated fair value of derivative assets	0	0
Estimated fair value of derivative liabilities	16	13,003
Cash Flow Hedges \| Interest rate contracts
Derivative [Line Items]
Notional Amount	4,350,000	4,350,000
Estimated fair value of derivative assets	0	0
Estimated fair value of derivative liabilities	16	13,003
Fair Value Hedges
Derivative [Line Items]
Estimated fair value of derivative assets	6	168
Estimated fair value of derivative liabilities	0	1,469
Fair Value Hedges \| Interest rate contracts
Derivative [Line Items]
Notional Amount	2,252,967	2,102,967
Estimated fair value of derivative assets	6	168
Estimated fair value of 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

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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

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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
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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
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-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
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