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Investments - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Jan. 26, 2021
Schedule of Investments [Line Items] |  |  |  |
Investments | $ 27,553,251 | $ 28,665,043 |  |
Recognized net gains related to equity method investments | 292,100 | 1,900,000 | $ 320,200 |
Equity investments, carrying value | $ 375,500 |  |  |
Investment Maturity Terms | five years |  |  |
American International Group, Incs Life and Retirement [Member] |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Equity investments, carrying value | $ 6,400 |  |  |
Equity Method Investment, Aggregate Cost | $ 240,200 |  |  |
Patria Investments Limited and Patria Investimentos Ltda. |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Equity Method Investment, Ownership Percentage | 40.00% |  |  |
Patria Investments Limited and Patria Investimentos Ltda. | IPO |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  | 10.00%
Consolidated Blackstone Funds | Blackstone |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Investments | $ 393,900 | $ 375,800 |  |

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