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Affiliate Equity - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Affiliate Equity [Line Items] |  |  |
Distributions paid to affiliate partners | $ 334.3 | $ 306.3 | $ 347.9
Affiliate equity purchases | 150.5 | 315.1 | 146.0
Affiliate equity issuances | 117.7 | 20.2 | $ 10.5
Co-Investor |  |  |
Affiliate Equity [Line Items] |  |  |
Affiliate equity issuances | 99.6 |  |
Other Assets |  |  |
Affiliate Equity [Line Items] |  |  |
Due from affiliates | 9.0 | 9.6 |
Other Liabilities |  |  |
Affiliate Equity [Line Items] |  |  |
Due to affiliates | $ 12.6 | $ 22.0 |

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