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Derivatives - Net Gains (Losses) on Derivatives Not Designated as Hedging Instrument (Details) - Derivatives not designated as hedging instruments: - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net gains (losses) recognized for derivative not designated as hedging instruments | $ 49,815 | $ 28,021 | $ 57,877
Interest rate contracts | Customer Derivative Income [Line Items] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net gains (losses) recognized for derivative not designated as hedging instruments | (2,989) | 13,905 | 11,493
Foreign exchange contracts | Foreign exchange income |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net gains (losses) recognized for derivative not designated as hedging instruments | 52,817 | 13,799 | 45,921
Credit contracts | Customer Derivative Income [Line Items] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net gains (losses) recognized for derivative not designated as hedging instruments | (1) | 118 | 139
Equity contracts | Lending fees |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net gains (losses) recognized for derivative not designated as hedging instruments | 13 | 151 | 382
Commodity contracts | Customer Derivative Income [Line Items] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Net gains (losses) recognized for derivative not designated as hedging instruments | $ (25) | $ 48 | $ (58)

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