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Affiliate Equity - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Affiliate Equity [Line Items] |  |  |
Distributions paid to affiliate partners | $ 271.3 | $ 341.9 | $ 334.3
Affiliate equity purchases | 67.4 | 61.5 | 150.5
Affiliate equity issuances | 13.4 | 15.2 | 117.7
Other assets | 243.9 | 264.6 |
Other liabilities | 466.3 | 461.7 |
Co-Investor |  |  |
Affiliate Equity [Line Items] |  |  |
Affiliate equity issuances |  |  | $ 99.6
Related Party |  |  |
Affiliate Equity [Line Items] |  |  |
Other assets | 5.9 | 11.6 |
Other liabilities | $ 53.9 | $ 24.5 |

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