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Real Estate Disposition Activities (Details) ft² in Thousands, $ in Thousands | 3 Months Ended | 12 Months Ended | 36 Months Ended
--- | --- | --- | ---
Dec. 31, 2022 USD ($) residential_condominium ft² home community | Sep. 30, 2022 USD ($) home | Mar. 31, 2022 USD ($) home | Dec. 31, 2022 USD ($) residential_condominium home ft² community | Dec. 31, 2021 USD ($) ft² home residential_condominium | Dec. 31, 2020 USD ($) residential_condominium ft² home | Dec. 31, 2022 USD ($) residential_condominium ft² community
Summary of income from discontinued operations |  |  |  |  |  |  |
Gain on sale of communities |  |  |  | $ 555,558 | $ 602,235 | $ 340,444 |
Number of communities held for sale | community | 0 |  |  | 0 |  |  | 0
Commercial square feet | ft² | 16 |  |  | 16 | 90 | 0 | 16
Number of residential condominiums sold | residential_condominium |  |  |  | 40 | 53 | 70 | 163
Gain on for-sale condominiums |  |  |  | $ 2,217 | $ 3,110 | $ 8,213 |
Number of residential condominiums remaining to be sold | residential_condominium | 9 |  |  | 9 |  |  | 9
Other selling, general and administrative expense |  |  |  | $ 2,129 | 4,087 | $ 5,662 |
For-sale condominium inventory | $ 32,532 |  |  | 32,532 | $ 146,535 |  | $ 32,532
Avalon West Long Branch |  |  |  |  |  |  |
Summary of income from discontinued operations |  |  |  |  |  |  |
Number of apartment homes sold | home |  |  | 180 |  |  |  |
Gross sales price |  |  | $ 75,000 |  |  |  |
Net cash proceeds |  |  | $ 73,286 |  |  |  |
Avalon Ossining |  |  |  |  |  |  |
Summary of income from discontinued operations |  |  |  |  |  |  |
Number of apartment homes sold | home |  |  | 168 |  |  |  |
Gross sales price |  |  | $ 70,000 |  |  |  |
Net cash proceeds |  |  | $ 69,298 |  |  |  |
Avalon East Norwalk |  |  |  |  |  |  |
Summary of income from discontinued operations |  |  |  |  |  |  |
Number of apartment homes sold | home |  |  | 240 |  |  |  |
Gross sales price |  |  | $ 90,000 |  |  |  |
Net cash proceeds |  |  | $ 87,996 |  |  |  |
Avalon Green I/Avalon Green II/Avalon Green III |  |  |  |  |  |  |
Summary of income from discontinued operations |  |  |  |  |  |  |
Number of apartment homes sold | home |  | 617 |  |  |  |  |
Gross sales price |  | $ 306,000 |  |  |  |  |
Net cash proceeds |  | $ 303,209 |  |  |  |  |
Avalon Del Mar Station |  |  |  |  |  |  |
Summary of income from discontinued operations |  |  |  |  |  |  |
Number of apartment homes sold | home |  | 347 |  |  |  |  |
Gross sales price |  | $ 172,300 |  |  |  |  |
Net cash proceeds |  | $ 170,226 |  |  |  |  |
Avalon Sharon |  |  |  |  |  |  |
Summary of income from discontinued operations |  |  |  |  |  |  |
Number of apartment homes sold | home |  | 156 |  |  |  |  |
Gross sales price |  | $ 65,650 |  |  |  |  |
Net cash proceeds |  | $ 64,671 |  |  |  |  |
Avalon Park Crest |  |  |  |  |  |  |
Summary of income from discontinued operations |  |  |  |  |  |  |
Number of apartment homes sold | home | 354 |  |  |  |  |  |
Gross sales price | $ 145,500 |  |  |  |  |  |
Net cash proceeds | $ 143,340 |  |  |  |  |  |
Other real estate |  |  |  |  |  |  |
Summary of income from discontinued operations |  |  |  |  |  |  |
Gross sales price |  |  |  | 28,685 |  |  |
Net cash proceeds |  |  |  | 22,091 |  |  |
Wholly owned properties |  |  |  |  |  |  |
Summary of income from discontinued operations |  |  |  |  |  |  |
Gain on sale of communities |  |  |  | $ 555,558 |  |  |
Number of apartment homes sold | home |  |  |  | 2,062 | 2,404 | 1,817 |
Gross sales price |  |  |  | $ 953,135 | $ 875,058 | $ 634,250 |
Net cash proceeds |  |  |  | 934,117 | 850,230 | 619,773 |
The Park Loggia |  |  |  |  |  |  |
Summary of income from discontinued operations |  |  |  |  |  |  |
Net cash proceeds |  |  |  | $ 126,848 | 135,458 | 216,372 |
Number of residential units in development | residential_condominium | 172 |  |  | 172 |  |  | 172
Commercial square feet | ft² | 66 |  |  | 66 |  |  | 66
Gain on for-sale condominiums |  |  |  | $ 2,217 | $ 3,110 | $ 8,213 |

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