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Investment in Unconsolidated Joint Ventures - Narrative (Details) |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Mar. 30, 2021 USD ($) property | Nov. 19, 2018 USD ($) property | Sep. 30, 2021 USD ($) | Sep. 30, 2021 USD ($) franchised_location | Jul. 13, 2021 USD ($)
Joint venture |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Contributed properties with earn-out provisions | property |  | 10 |  |  |
Earn-out Provision, Term |  | 2 years |  |  |
Earn Out Obligation |  | $ 10,000,000 |  |  |
Percentage of ownership in VAA |  |  | 50.00% | 50.00% |
Joint venture | Overlook At Allensville Phase II Apartments |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Proceeds from real estate and real estate joint ventures | $ 2,551,000 |  |  |  |
Gain on sale | $ 1,417,000 |  |  |  |
Joint venture | Overlook At Allensville Phase II Apartments |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Percentage of ownership in VAA | 50.00% |  |  |  |
Joint venture | Overlook At Allensville Phase II Apartments | Overlook At Allensville Phase II Apartments |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Ownership interest sold | 50.00% |  |  |  |
Joint venture | Milano |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Percentage of ownership in VAA |  |  | 20.00% | 20.00% |
Joint venture | VAA |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Percentage of ownership in VAA |  | 50.00% |  |  |
Joint venture | Class A interest | VAA |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Equity method investment profit participation percentage |  | 0.49 |  |  |
Joint venture | Profit participation shares issued to Daniel J. Moos (former President and CEO) | Class B interest |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Equity method investment profit participation percentage |  | 0.02 |  |  |
Joint venture | Multifamily | Overlook At Allensville Phase II Apartments |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of real estate properties | property | 144 |  |  |  |
Joint venture | Multifamily | VAA |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of real estate properties | property |  | 51 |  |  |
Macquarie |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Ownership interest sold |  | 50.00% |  |  |
Proceeds from real estate and real estate joint ventures |  | $ 236,800,000 |  |  |
Gain on sale |  | $ 154,100,000 |  |  |
Earn Out Obligation |  |  |  |  | $ 39,600,000
Earn Out Obligation charge |  |  | $ 5,441,000 | $ 29,600,000 |
Gruppa Florentina LLC | Joint venture |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of franchised locations | franchised_location |  |  |  | 23 |

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