Derivatives (Derivatives Not Designated as Hedging Instruments - Foreign Exchange Contracts) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Derivative assets - Fair value	$ 484,184	$ 602,754
Derivative liabilities - Fair Value	390,171	424,828
Derivative instruments not designated as hedging instruments
Derivative [Line Items]
Notional amount	19,522,661	21,341,158
Derivative assets - Fair value	484,184	602,754
Derivative liabilities - Fair Value	389,889	422,729
Derivative instruments not designated as hedging instruments \| Foreign exchange contracts
Derivative [Line Items]
Notional amount	1,874,681	3,108,488
Derivative assets - Fair value	21,033	30,300
Derivative liabilities - Fair Value	15,276	22,524
Foreign exchange contracts \| Customer Counterparty \| Derivative instruments not designated as hedging instruments \| Forwards and spot
Derivative [Line Items]
Notional amount	900,290	1,522,888
Derivative assets - Fair value	13,688	17,575
Derivative liabilities - Fair Value	9,446	17,928
Foreign exchange contracts \| Customer Counterparty \| Derivative instruments not designated as hedging instruments \| Swaps
Derivative [Line Items]
Notional amount	66,474	13,590
Derivative assets - Fair value	1,034	872
Derivative liabilities - Fair Value	17	91
Foreign exchange contracts \| Customer Counterparty \| Derivative instruments not designated as hedging instruments \| Written options
Derivative [Line Items]
Notional amount	20,287	117,729
Derivative assets - Fair value	1	0
Derivative liabilities - Fair Value	0	574
Foreign exchange contracts \| Customer Counterparty \| Derivative instruments not designated as hedging instruments \| Foreign exchange contracts
Derivative [Line Items]
Notional amount	987,051	1,654,207
Derivative assets - Fair value	14,723	18,447
Derivative liabilities - Fair Value	9,463	18,593
Foreign exchange contracts \| Financial Counterparty \| Derivative instruments not designated as hedging instruments \| Forwards and spot
Derivative [Line Items]
Notional amount	267,689	145,197
Derivative assets - Fair value	1,564	1,230
Derivative liabilities - Fair Value	2,695	273
Foreign exchange contracts \| Financial Counterparty \| Derivative instruments not designated as hedging instruments \| Swaps
Derivative [Line Items]
Notional amount	599,654	1,191,355
Derivative assets - Fair value	4,745	10,049
Derivative liabilities - Fair Value	3,116	3,658
Foreign exchange contracts \| Financial Counterparty \| Derivative instruments not designated as hedging instruments \| Purchased options
Derivative [Line Items]
Notional amount	20,287	117,729
Derivative assets - Fair value	1	574
Derivative liabilities - Fair Value	2	0
Foreign exchange contracts \| Financial Counterparty \| Derivative instruments not designated as hedging instruments \| Foreign exchange contracts
Derivative [Line Items]
Notional amount	887,630	1,454,281
Derivative assets - Fair value	6,310	11,853
Derivative liabilities - Fair Value	$ 5,813	$ 3,931

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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