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Investments in Unconsolidated Joint Ventures - Narrative (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) joint_venture | Sep. 30, 2020 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) joint_venture | Jun. 30, 2020 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Ownership percentage | 20.00% |  |  | 20.00% |
Number of joint ventures | joint_venture | 3 |  |  | 3 |
Joint Venture |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Maximum borrowing limit |  | $ 201,000,000.0 |  |  |
Non-recourse guarantee, term |  | two-year |  |  |
Number of extension options |  | 3 |  |  |
Extension period | 1 year |  |  |  |
Maximum exposure | $ 139,700,000 |  |  | $ 139,700,000 |
Joint Venture | LIBOR |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Basis spread on variable rate |  | 3.50% |  |  |
Property management expenses | Joint Venture |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Management fee income | $ 2,500,000 |  | $ 1,300,000 | $ 4,600,000 | $ 2,200,000

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