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Investments - Narrative (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended
--- | --- | --- | ---
Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2021 | Jun. 30, 2020
Equity Method Investments and Joint Ventures [Abstract] |  |  |  |
Income from equity method investments |  |  | $ 232,800 | $ (131,700)
Total carried interest allocation |  |  | 226,362 | $ (128,502)
Product Information [Line Items] |  |  |  |
Accrued carried interest-related compensation | $ 562,531 | $ 465,610 | $ 562,531 |
Revenue Benchmark | Separately Managed Account Concentration Risk | Two Investments |  |  |  |
Product Information [Line Items] |  |  |  |
Equity method investment, total accrued carried interest allocation percentage | 35.00% | 26.00% |  |

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