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Real Estate Investments - Acquisitions (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($) apartment | Dec. 31, 2022 USD ($) community apartment | Dec. 31, 2021 USD ($)
Acquisitions of Real Estate |  |  |
Number of communities held by acquired investment | community |  | 2 |
Gain on remeasurement of co-investment | $ 0 | $ 17,423 | $ 2,260
Land and Land Improvements |  |  |
Acquisitions of Real Estate |  |  |
Purchase price | 5,500 |  |
Land and Land Improvements | CPPIB Interest |  |  |
Acquisitions of Real Estate |  |  |
Purchase price |  | 14,100 |
Building and Improvements |  |  |
Acquisitions of Real Estate |  |  |
Purchase price | 18,000 |  |
Building and Improvements | CPPIB Interest |  |  |
Acquisitions of Real Estate |  |  |
Purchase price |  | 52,700 |
Prepaid Expenses and Other Assets |  |  |
Acquisitions of Real Estate |  |  |
Purchase price | $ 100 |  |
Prepaid Expenses and Other Assets | CPPIB Interest |  |  |
Acquisitions of Real Estate |  |  |
Purchase price |  | $ 300 |
Apartment Building |  |  |
Acquisitions of Real Estate |  |  |
Number of units acquired | apartment | 73 |  |
Purchase price | $ 23,100 |  |
Number of communities held by acquired investment | community |  | 1 |
Apartment Building | Regency Palm Court and Windsor Court |  |  |
Acquisitions of Real Estate |  |  |
Number of units acquired | apartment |  | 211 |
Purchase price |  | $ 32,900 |
Investment interest acquired |  | 49.80% |
Gain on remeasurement of co-investment | $ 0 | $ 17,400 |

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