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Derivatives - Net Gains (Losses) on Derivatives Not Designated as Hedging Instruments (Details) - Derivatives not designated as hedging instruments - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Net gains (losses) recognized for derivative not designated as hedging instruments | $ 1,855 | $ 6,670 | $ 16,881 | $ 31,339
Interest rate contracts | Interest rate contracts and other derivative income (loss) |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Net gains (losses) recognized for derivative not designated as hedging instruments | 5,984 | (5,338) | 13,569 | 8,563
Foreign exchange contracts | Foreign exchange income |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Net gains (losses) recognized for derivative not designated as hedging instruments | (4,557) | 11,972 | 2,765 | 22,215
Credit contracts | Interest rate contracts and other derivative income (loss) |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Net gains (losses) recognized for derivative not designated as hedging instruments | (9) | 150 | 65 | 195
Equity contracts | Lending fees |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Net gains (losses) recognized for derivative not designated as hedging instruments | 93 | 74 | 187 | 385
Commodity contracts | Interest rate contracts and other derivative income (loss) |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Net gains (losses) recognized for derivative not designated as hedging instruments | $ 344 | $ (188) | $ 295 | $ (19)

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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4CC -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL109998890-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + Details
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