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Derivatives - Fair Value of Derivative Contracts (Detail) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Assets | $ 4,989 | $ 3,607
Liabilities | 3,085 | 5,756
Notional Amounts | 22,101,929 | 41,832,765
FX swaps |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Assets | 4,067 | 2,674
Liabilities | 2,408 | 5,119
Notional Amounts | 946,438 | 545,669
Interest rate swaps |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Assets | 91 | 128
Liabilities | 0 | 0
Notional Amounts | 14,023,833 | 34,272,592
Forwards |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Assets | 831 | 805
Liabilities | 616 | 609
Notional Amounts | 201,420 | 310,880
Futures |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Assets | 0 | 0
Liabilities | 61 | 28
Notional Amounts | $ 6,930,238 | $ 6,703,624

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