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Investments in and Advances to Joint Ventures - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Schedule Of Equity Method Investments [Line Items] |  |  |
Letters of credit outstanding amount | $ 203.9 |  | $ 193.1
Unconsolidated Joint Ventures |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Net distributions from and sale proceeds for unconsolidated joint ventures | 5.4 | $ 6.5 |
Consolidated Joint Ventures |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Letters of credit outstanding amount | $ 67.4 |  | $ 59.3

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