Derivative Instruments and Hedging Activities - Schedule of Estimated Fair Value of Derivative Instruments included in the Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Designated as Hedging Instrument
Derivative [Line Items]
Estimated fair value of derivative assets	$ 0	$ 0
Estimated fair value of derivative liabilities	6,080	20,418
Not Designated as Hedging Instruments
Derivative [Line Items]
Estimated fair value of derivative assets	84,673	94,903
Estimated fair value of derivative liabilities	178,166	239,821
Not Designated as Hedging Instruments \| Interest rate contracts
Derivative [Line Items]
Notional Amount	15,956,202	11,888,152
Estimated fair value of derivative assets	83,792	94,208
Estimated fair value of derivative liabilities	167,901	238,134
Not Designated as Hedging Instruments \| Mortgage Derivatives \| Mortgage derivatives - interest rate lock commitments
Derivative [Line Items]
Notional Amount	46,168	40,642
Estimated fair value of derivative assets	881	695
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	60,500	60,906
Estimated fair value of derivative assets	0	0
Estimated fair value of derivative liabilities	191	567
Not Designated as Hedging Instruments \| Risk participation agreements
Derivative [Line Items]
Notional Amount	822,138	732,682
Estimated fair value of derivative assets	0	0
Estimated fair value of derivative liabilities	12	3
Not Designated as Hedging Instruments \| Foreign exchange contracts
Derivative [Line Items]
Notional Amount	135,225	41,603
Estimated fair value of derivative assets	0	0
Estimated fair value of derivative liabilities	1,229	528
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	8,833	589
Cash Flow Hedges
Derivative [Line Items]
Estimated fair value of derivative assets	0	0
Estimated fair value of derivative liabilities	5,214	7,527
Cash Flow Hedges \| Interest rate contracts
Derivative [Line Items]
Notional Amount	4,600,000	5,600,000
Estimated fair value of derivative assets	0	0
Estimated fair value of derivative liabilities	5,214	7,527
Fair Value Hedges
Derivative [Line Items]
Estimated fair value of derivative assets	0	0
Estimated fair value of derivative liabilities	866	12,891
Fair Value Hedges \| Interest rate contracts
Derivative [Line Items]
Notional Amount	1,678,900	2,563,504
Estimated fair value of derivative assets	0	0
Estimated fair value of derivative liabilities	$ 866	$ 12,891

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.

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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.

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- Definition

Nominal or face amount used to calculate payment on derivative.

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