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Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2021 USD ($) segment | Apr. 01, 2021 USD ($) | Mar. 31, 2021 USD ($)
Accounting Policies [Abstract] |  |  |
Incentive fees as percentage of profits | 10.00% |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Lease right-of-use assets, net | $ | $ 64,707 | $ 66,700 | $ 0
Lease liabilities | $ | $ 75,512 | $ 76,900 | $ 0
Number of operating segments | segment | 1 |  |
Number of reportable segments | segment | 1 |  |
Minimum |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Carried interest allocation as percentage of cumulative fund or account performance | 5.00% |  |
Revenue, carried interest allocation, minimum return levels required | 5.00% |  |
Maximum |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Carried interest allocation as percentage of cumulative fund or account performance | 15.00% |  |
Revenue, carried interest allocation, minimum return levels required | 10.00% |  |

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