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Guarantees (Details) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2022	Dec. 31, 2021
Guarantor Obligations [Line Items]
Derivative Liabilities	[1]	$ 55,768	$ 12,101
Notional amount of underlying interest rate swaps associated with risk participation agreements		3,179,428	$ 2,916,181
Financial Standby Letter Of Credit [Member]
Guarantor Obligations [Line Items]
Standby letters of credit, net liability		3,600
Contractual amount of letters of credit, guaranteed maximum potential future payments		516,200
Risk Participation Agreement [Member] | Indirect Guarantee Of Indebtedness [Member]
Guarantor Obligations [Line Items]
Derivative Liabilities		94
Notional amount of underlying interest rate swaps associated with risk participation agreements		$ 376,400
Minimum [Member] | Risk Participation Agreement [Member]
Guarantor Obligations [Line Items]
Term, in years		2 years
Maximum [Member] | Risk Participation Agreement [Member]
Guarantor Obligations [Line Items]
Term, in years		15 years
[1] * The fair value of each class of derivative is shown in Note 11.

X

- Definition

Term of the credit risk derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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