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Real Estate Disposition Activities (Details) ft² in Thousands | 3 Months Ended | 6 Months Ended | 30 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2022 USD ($) community residential_condominium ft² | Mar. 31, 2022 USD ($) home | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) community residential_condominium ft² | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) community residential_condominium ft² | Dec. 31, 2021 USD ($)
Summary of income from discontinued operations |  |  |  |  |  |  |
Gain on sale of communities | $ 404,000 |  | $ 334,569,000 | $ 149,204,000 | $ 388,296,000 |  |
Number of communities held for sale | community | 3 |  |  | 3 |  | 3 |
Number of residential condominium units sold | residential_condominium | 13 |  |  | 28 |  | 151 |
Gain on for-sale condominiums |  |  |  | $ 1,469,000 | 706,000 |  |
Number of residential condominiums remaining to be sold | residential_condominium | 21 |  |  | 21 |  | 21 |
Other selling, general and administrative expense | $ 538,000 |  | $ 1,222,000 | $ 1,304,000 | $ 2,266,000 |  |
For-sale condominium inventory | 73,622,000 |  |  | 73,622,000 |  | $ 73,622,000 | $ 146,535,000
The Park Loggia |  |  |  |  |  |  |
Summary of income from discontinued operations |  |  |  |  |  |  |
Gross sales price | $ 41,002,000 |  |  | $ 81,338,000 |  |  |
Number of residential condominium units | residential_condominium | 172 |  |  | 172 |  | 172 |
Square feet of commercial space | ft² | 66 |  |  | 66 |  | 66 |
Gain on for-sale condominiums | $ 467,000 |  |  | $ 1,469,000 |  |  |
Avalon West Long Branch |  |  |  |  |  |  |
Summary of income from discontinued operations |  |  |  |  |  |  |
Number of apartment homes sold | home |  | 180 |  |  |  |  |
Gross sales price |  | $ 75,000,000 |  |  |  |  |
Gain on sale of communities |  | $ 56,434,000 |  |  |  |  |
Avalon Ossining |  |  |  |  |  |  |
Summary of income from discontinued operations |  |  |  |  |  |  |
Number of apartment homes sold | home |  | 168 |  |  |  |  |
Gross sales price |  | $ 70,000,000 |  |  |  |  |
Gain on sale of communities |  | $ 40,512,000 |  |  |  |  |
Avalon East Norwalk |  |  |  |  |  |  |
Summary of income from discontinued operations |  |  |  |  |  |  |
Number of apartment homes sold | home |  | 240 |  |  |  |  |
Gross sales price |  | $ 90,000,000 |  |  |  |  |
Gain on sale of communities |  | $ 51,762,000 |  |  |  |  |

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