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Shareholders' Equity / Partners' Capital - Common Stock Offerings (Details) - Class A common shares - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended
--- | --- | ---
Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2022 | Mar. 31, 2022
Public Stock Offering |  |  |  |
Class of Stock [Line Items] |  |  |  |
Number of shares sold (in shares) |  |  |  | 23,000,000
Par value (in dollars per share) |  |  |  | $ 0.01
Public Stock Offering - Issued Directly By The Company |  |  |  |
Class of Stock [Line Items] |  |  |  |
Number of shares sold (in shares) |  |  |  | 10,000,000
Public Stock Offering - Forward Sales Agreement |  |  |  |
Class of Stock [Line Items] |  |  |  |
Number of shares sold (in shares) |  | 8,000,000 | 5,000,000 | 13,000,000
Proceeds from sale of stock |  | $ 298.4 | $ 185.6 |
At the Market - Common Share Offering Program |  |  |  |
Class of Stock [Line Items] |  |  |  |
Shares authorized for future issuance, value | $ 1,000.0 |  |  |
Shares issued (in shares) | 0 |  |  |
Shares available for future issuance, value | $ 1,000.0 |  |  |

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