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Real Estate Acquisitions and Dispositions - Schedule of Real Estate Asset Acquisitions and Dispositions (Details) - Land | 12 Months Ended
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Dec. 31, 2020 a ApartmentUnit
Huntsville, AL [Member] | Colonial Promenade [Member] |  |
Business Acquisitions and Dispositions [Line Items] |  |
Number of Units in Real Estate Property | ApartmentUnit | 27 |
Disposal Date | September 2020 |
MAA Windmill Hill [Member] | Austin TX [Member] |  |
Business Acquisitions and Dispositions [Line Items] |  |
Area of Land | 22 |
Acquisition Date | 2020-01 |
Novel Val Vista [Member] | Phoenix, AZ [Member] |  |
Business Acquisitions and Dispositions [Line Items] |  |
Area of Land | 13 | [1]
Acquisition Date | 2020-12 | [1]
MAA Central Park [Member] | Denver CO [Member] |  |
Business Acquisitions and Dispositions [Line Items] |  |
Area of Land | 27 |
Acquisition Date | 2020-11 |
[1] | This pre-purchase multifamily community development is being developed through a joint venture with a local developer. The Company owns 80% of the joint venture that owns this property.

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