Derivatives (Derivatives Not Designated as Hedging Instruments - Foreign Exchange Contracts) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Derivative [Line Items]
Derivative assets - Fair value	$ 689,100	$ 484,184
Derivative liabilities - Fair value	692,029	390,171
Derivatives not designated as hedging instruments
Derivative [Line Items]
Notional Amount	20,259,808	19,522,661
Derivative assets - Fair value	688,715	484,184
Derivative liabilities - Fair value	691,539	389,889
Foreign exchange contracts \| Derivatives not designated as hedging instruments
Derivative [Line Items]
Notional Amount	2,365,524	1,874,681
Derivative assets - Fair value	16,122	21,033
Derivative liabilities - Fair value	11,545	15,276
Foreign exchange contracts \| Customer Counterparty \| Forwards and spot \| Derivatives not designated as hedging instruments
Derivative [Line Items]
Notional Amount	747,870	900,290
Derivative assets - Fair value	8,675	13,688
Derivative liabilities - Fair value	2,567	9,446
Foreign exchange contracts \| Customer Counterparty \| Swaps \| Derivatives not designated as hedging instruments
Derivative [Line Items]
Notional Amount	137,691	66,474
Derivative assets - Fair value	1,088	1,034
Derivative liabilities - Fair value	433	17
Foreign exchange contracts \| Customer Counterparty \| Written options \| Derivatives not designated as hedging instruments
Derivative [Line Items]
Notional Amount		20,287
Derivative assets - Fair value		1
Derivative liabilities - Fair value		0
Foreign exchange contracts \| Customer Counterparty \| Foreign exchange contracts \| Derivatives not designated as hedging instruments
Derivative [Line Items]
Notional Amount	885,561	987,051
Derivative assets - Fair value	9,763	14,723
Derivative liabilities - Fair value	3,000	9,463
Foreign exchange contracts \| Financial Counterparty \| Forwards and spot \| Derivatives not designated as hedging instruments
Derivative [Line Items]
Notional Amount	361,741	267,689
Derivative assets - Fair value	1,685	1,564
Derivative liabilities - Fair value	1,210	2,695
Foreign exchange contracts \| Financial Counterparty \| Swaps \| Derivatives not designated as hedging instruments
Derivative [Line Items]
Notional Amount	1,118,222	599,654
Derivative assets - Fair value	4,674	4,745
Derivative liabilities - Fair value	7,335	3,116
Foreign exchange contracts \| Financial Counterparty \| Purchased options \| Derivatives not designated as hedging instruments
Derivative [Line Items]
Notional Amount		20,287
Derivative assets - Fair value		1
Derivative liabilities - Fair value		2
Foreign exchange contracts \| Financial Counterparty \| Foreign exchange contracts \| Derivatives not designated as hedging instruments
Derivative [Line Items]
Notional Amount	1,479,963	887,630
Derivative assets - Fair value	6,359	6,310
Derivative liabilities - Fair value	$ 8,545	$ 5,813

Fair value, before effects of master netting arrangements, of a 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. Includes assets not subject to a master netting arrangement and elected not to be offset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313

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- Definition

Fair value, before effects of master netting arrangements, of a 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. Includes liabilities not subject to a master netting arrangement and elected not to be offset.

+ 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

No definition available.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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