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Investments in and Advances to Joint Ventures - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |
Letters of credit outstanding amount | $ 186.6 |  | $ 186.6 |  | $ 197.3
Unconsolidated Joint Ventures |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |
Net distributions from unconsolidated joint ventures | 5.6 | $ 6.3 | 12.1 | $ 14.4 |
Consolidated Joint Ventures |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |
Letters of credit outstanding amount | $ 65.7 |  | $ 65.7 |  | $ 55.0

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