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Organization, Basis of Presentation, and Significant Accounting Policies - Organization and Basis of Presentation (Details) ft² in Thousands | 12 Months Ended | 24 Months Ended
--- | --- | ---
Dec. 31, 2021 USD ($) community home residential_condominium ft² state | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2021 community home residential_condominium ft² state
Real Estate |  |  |  |
Number of real estate properties | community | 278 |  |  | 278
Number of apartment homes included in operating apartment communities owned | home | 81,803 |  |  | 81,803
Number of states where operating apartment communities owned are located | state | 12 |  |  | 12
Number of owned communities under construction | community | 19 |  |  | 19
Expected number of apartment homes under construction | home | 6,189 |  |  | 6,189
Number of residential condominiums sold | residential_condominium | 53 |  |  | 123
Communities under development rights | community | 24 |  |  | 24
Estimated number of apartment homes in communities to be developed | home | 8,070 |  |  | 8,070
Casualty and impairment loss | $ | $ 3,119,000 | $ 0 | $ 0 |
Buildings and related improvements | Minimum |  |  |  |
Real Estate |  |  |  |
Estimated useful life of assets (in years) | 7 years |  |  |
Buildings and related improvements | Maximum |  |  |  |
Real Estate |  |  |  |
Estimated useful life of assets (in years) | 30 years |  |  |
Furniture, fixtures and equipment | Minimum |  |  |  |
Real Estate |  |  |  |
Estimated useful life of assets (in years) | 3 years |  |  |
Furniture, fixtures and equipment | Maximum |  |  |  |
Real Estate |  |  |  |
Estimated useful life of assets (in years) | 7 years |  |  |
The Park Loggia |  |  |  |
Real Estate |  |  |  |
Number of residential units in development | residential_condominium | 172 |  |  | 172
Commercial square feet | ft² | 66 |  |  | 66
Percent of commercial square feet leased | 87.00% |  |  | 87.00%
Casualty and impairment loss | $ | $ 0 | $ 0 | $ 0 |

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