Derivative Instruments - Impact Of Derivatives On Balance Sheet (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Not Designated As Hedging Instruments
Derivative [Line Items]
Fair value of derivative assets	$ 169,704,000	$ 320,493,000
Fair value of derivative liabilities	78,207,000	157,167,000
Not Designated As Hedging Instruments \| Interest rate contracts
Derivative [Line Items]
Notional Amount	9,653,600,000	8,784,141,000
Fair value of derivative assets	167,560,000	314,234,000
Fair value of derivative liabilities	74,514,000	153,204,000
Not Designated As Hedging Instruments \| Mortgage derivatives \| Mortgage derivatives - interest rate lock commitments
Derivative [Line Items]
Notional Amount	99,006,000	306,138,000
Fair value of derivative assets	2,105,000	6,259,000
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	105,500,000	230,500,000
Fair value of derivative assets	0	0
Fair value of derivative liabilities	122,000	1,611,000
Not Designated As Hedging Instruments \| Other contracts
Derivative [Line Items]
Notional Amount	293,059,000	234,884,000
Fair value of derivative assets	0	0
Fair value of derivative liabilities	36,000	304,000
Not Designated As Hedging Instruments \| Foreign exchange contracts
Derivative [Line Items]
Notional Amount	22,387,000	24,125,000
Fair value of derivative assets	39,000
Fair value of derivative liabilities	0
Not Designated As Hedging Instruments \| Visa Derivative Liability
Derivative [Line Items]
Notional Amount	0	0
Fair value of derivative assets	0	0
Fair value of derivative liabilities	3,535,000	2,048,000
Not Designated As Hedging Instruments \| Price Risk Derivative
Derivative [Line Items]
Notional Amount	81,200,000	2,600,000
Cash Flow Hedging
Derivative [Line Items]
Fair value of derivative assets	22,004,000	80,802,000
Fair value of derivative liabilities	20,395,000	0
Cash Flow Hedging \| Interest rate contracts
Derivative [Line Items]
Notional Amount	3,600,000,000	3,000,000,000
Fair value of derivative assets	22,004,000	80,802,000
Fair value of derivative liabilities	$ 20,395,000	$ 0

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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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.

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- Definition

Nominal or face amount used to calculate payment on derivative.

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