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Real Estate Investments - Acquisitions (Details) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2021 commercial_lease | Jun. 30, 2021 USD ($) | Jan. 31, 2020 | Dec. 31, 2021 USD ($) apartment community property | Dec. 31, 2020 USD ($) community apartment | Dec. 31, 2019 USD ($)
Acquisitions of Real Estate |  |  |  |  |  |
Gain on remeasurement of co-investment |  |  |  | $ 2,260 | $ 234,694 | $ 31,535
Apartment Building |  |  |  |  |  |
Acquisitions of Real Estate |  |  |  |  |  |
Number of communities held by acquired investment | community |  |  |  | 2 |  |
Number of units acquired | apartment |  |  |  | 268 |  |
Purchase price |  |  |  | $ 165,400 |  |
Apartment Building | The Village at Toluca Lake |  |  |  |  |  |
Acquisitions of Real Estate |  |  |  |  |  |
Number of units acquired | apartment |  |  |  | 145 |  |
Purchase price |  |  |  | $ 31,800 |  |
Essex ownership percentage |  |  |  | 100.00% |  |
Apartment Building | 7 South Linden |  |  |  |  |  |
Acquisitions of Real Estate |  |  |  |  |  |
Number of units acquired | apartment |  |  |  | 0 |  |
Essex ownership percentage |  |  |  | 100.00% |  |
Apartment Building | Third & Broad |  |  |  |  |  |
Acquisitions of Real Estate |  |  |  |  |  |
Number of units acquired | apartment |  |  |  | 0 |  |
Essex ownership percentage |  |  |  | 100.00% |  |
Apartment Building | Canvas |  |  |  |  |  |
Acquisitions of Real Estate |  |  |  |  |  |
Number of units acquired | apartment |  |  |  | 123 |  |
Purchase price |  |  |  | $ 47,600 |  |
Essex ownership percentage |  |  |  | 100.00% |  |
Commercial Property |  |  |  |  |  |
Acquisitions of Real Estate |  |  |  |  |  |
Number of properties acquired | property |  |  |  | 2 |  |
Commercial Property | 7 South Linden |  |  |  |  |  |
Acquisitions of Real Estate |  |  |  |  |  |
Purchase price |  |  |  | $ 33,500 |  |
Number of commercial leases | commercial_lease | 2 |  |  |  |  |
Commercial Property | Third & Broad |  |  |  |  |  |
Acquisitions of Real Estate |  |  |  |  |  |
Purchase price |  |  |  | 52,500 |  |
Joint Venture Partner, BEX III | The Village at Toluca Lake |  |  |  |  |  |
Acquisitions of Real Estate |  |  |  |  |  |
Purchase price |  | $ 63,500 |  |  |  |
Investment interest acquired |  | 50.00% |  |  |  |
Repayments of debt |  | $ 29,500 |  |  |  |
CPPIB Interest |  |  |  |  |  |
Acquisitions of Real Estate |  |  |  |  |  |
Purchase price |  |  |  |  | $ 463,400 |
Investment interest acquired |  |  | 45.00% |  | 45.00% |
Value of property held by acquired investment |  |  |  |  | $ 1,000,000 |
Gain on remeasurement of co-investment |  |  |  |  | 234,700 |
Promote income |  |  |  |  | $ 6,500 |
CPPIB Interest | Apartment Building |  |  |  |  |  |
Acquisitions of Real Estate |  |  |  |  |  |
Number of communities held by acquired investment | community |  |  |  |  | 6 |
Number of units held by acquired investment | apartment |  |  |  |  | 2,020 |
Land and Land Improvements |  |  |  |  |  |
Acquisitions of Real Estate |  |  |  |  |  |
Purchase price |  |  |  | 103,300 |  |
Land and Land Improvements | CPPIB Interest |  |  |  |  |  |
Acquisitions of Real Estate |  |  |  |  |  |
Purchase price |  |  |  |  | $ 189,000 |
Building and Improvements |  |  |  |  |  |
Acquisitions of Real Estate |  |  |  |  |  |
Purchase price |  |  |  | 90,200 |  |
Building and Improvements | CPPIB Interest |  |  |  |  |  |
Acquisitions of Real Estate |  |  |  |  |  |
Purchase price |  |  |  |  | 846,000 |
Prepaid Expenses and Other Assets |  |  |  |  |  |
Acquisitions of Real Estate |  |  |  |  |  |
Purchase price |  |  |  | $ 5,400 |  |
Prepaid Expenses and Other Assets | CPPIB Interest |  |  |  |  |  |
Acquisitions of Real Estate |  |  |  |  |  |
Purchase price |  |  |  |  | $ 10,000 |

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