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Real Estate Acquisitions and Dispositions - Additonal Information (Details) $ in Thousands | 1 Months Ended | 12 Months Ended
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Oct. 31, 2024 USD ($) ApartmentUnit | Sep. 30, 2024 USD ($) ApartmentUnit | Aug. 31, 2024 USD ($) a | May 31, 2024 USD ($) ApartmentUnit | Apr. 30, 2024 USD ($) a | Nov. 30, 2023 USD ($) a ApartmentUnit | Oct. 31, 2023 USD ($) ApartmentUnit | Mar. 31, 2023 USD ($) a | Feb. 28, 2023 USD ($) a | Oct. 31, 2022 USD ($) ApartmentUnit | Jun. 30, 2022 USD ($) ApartmentUnit | Dec. 31, 2024 USD ($) a ApartmentUnit | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) ApartmentUnit
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of depreciable real estate assets |  |  |  |  |  |  |  |  |  |  |  | $ 55,003 | $ (62) | $ 214,762
Multifamily [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property | ApartmentUnit |  |  |  |  |  |  |  |  |  |  |  | 336 |  |
Dallas | Multifamily [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds used to purchase apartment communities | $ 106,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property | ApartmentUnit | 386 |  |  |  |  |  |  |  |  |  |  |  |  |
Orlando |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost |  |  |  |  |  |  |  |  | $ 12,000 |  |  |  |  |
Orlando | Multifamily [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds used to purchase apartment communities |  | $ 84,000 |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property | ApartmentUnit |  | 310 |  |  |  |  |  |  |  |  |  |  |  |
Orlando | Land |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of Land | a |  |  |  |  |  |  |  |  | 6 |  |  |  |  |
Raleigh Nc |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost |  |  |  |  |  | $ 1,000 |  |  |  |  |  |  |  |
Raleigh Nc | Multifamily [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds used to purchase apartment communities |  |  |  | $ 81,000 |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property | ApartmentUnit |  |  |  | 306 |  |  |  |  |  |  |  |  |  |
Raleigh Nc | Land |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of Land | a |  |  |  |  |  | 0.5 |  |  |  |  |  |  |  |
Charlotte | Multifamily [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from disposition | $ 38,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds used to purchase apartment communities |  |  |  |  |  | $ 107,000 |  |  |  |  |  |  |  |
Gain (loss) on sale of depreciable real estate assets | $ 22,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property | ApartmentUnit | 216 |  |  |  |  | 352 |  |  |  |  |  |  |  |
Phoenix |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost |  |  |  |  | $ 11,000 |  |  |  |  |  |  |  |  |
Phoenix | Multifamily [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds used to purchase apartment communities |  |  |  |  |  |  | $ 103,000 |  |  |  |  |  |  |
Number of Units in Real Estate Property | ApartmentUnit |  |  |  |  |  |  | 323 |  |  |  |  |  |  |
Phoenix | Land |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of Land | a |  |  |  |  | 13 |  |  |  |  |  |  |  |  |
Raleigh/Durham |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost |  |  |  |  |  |  |  |  |  |  |  | $ 5,000 |  |
Raleigh/Durham | Land |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of Land | a |  |  |  |  |  |  |  |  |  |  |  | 3 |  |
Richmond |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost |  |  | $ 14,000 |  |  |  |  |  |  |  |  |  |  |
Richmond | Multifamily [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from disposition |  |  |  |  |  |  |  |  |  |  |  | $ 47,000 |  |
Gain (loss) on sale of depreciable real estate assets |  |  |  |  |  |  |  |  |  |  |  | $ 33,000 |  |
Number of Units in Real Estate Property | ApartmentUnit |  |  |  |  |  |  |  |  |  |  |  | 272 |  |
Richmond | Land |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of Land | a |  |  | 3 |  |  |  |  |  |  |  |  |  |  |
Gulf Shores |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from disposition |  |  |  |  |  |  |  | $ 3,000 |  |  |  |  |  |
Gulf Shores | Land |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of Land | a |  |  |  |  |  |  |  | 21 |  |  |  |  |  |
Columbia | Multifamily [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property | ApartmentUnit |  |  |  |  |  |  |  |  |  |  |  | 240 |  |
Austin Texas | Multifamily [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from disposition |  |  |  |  |  |  |  |  |  |  |  |  |  | 54,000
Gain (loss) on sale of depreciable real estate assets |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 47,000
Number of Units in Real Estate Property | ApartmentUnit |  |  |  |  |  |  |  |  |  |  |  |  |  | 288
TEXAS | MAA Deer Run | Multifamily [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from disposition |  |  |  |  |  |  |  |  |  |  | $ 65,000 |  |  |
Gain (loss) on sale of depreciable real estate assets |  |  |  |  |  |  |  |  |  |  | $ 59,000 |  |  |
Number of Units in Real Estate Property | ApartmentUnit |  |  |  |  |  |  |  |  |  |  | 304 |  |  |
TEXAS | MAA Oakbend | Multifamily [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from disposition |  |  |  |  |  |  |  |  |  |  | $ 102,000 |  |  |
Gain (loss) on sale of depreciable real estate assets |  |  |  |  |  |  |  |  |  |  | $ 73,000 |  |  |
Number of Units in Real Estate Property | ApartmentUnit |  |  |  |  |  |  |  |  |  |  | 426 |  |  |
MARYLAND | Multifamily [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from disposition |  |  |  |  |  |  |  |  |  | $ 104,000 |  |  |  |
Gain (loss) on sale of depreciable real estate assets |  |  |  |  |  |  |  |  |  | $ 36,000 |  |  |  |
Number of Units in Real Estate Property | ApartmentUnit |  |  |  |  |  |  |  |  |  | 396 |  |  |  |

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