MAA Equity - Summary of Changes in Total Equity and its Components (Parenthetical) (Details) - Mid America Apartment Communities Inc. Shareholders Equity [Member] - $ / shares	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Equity [Line Items]
Dividends on common stock, per share	$ 1.515	$ 1.47	$ 3.03	$ 2.94
Distributions on noncontrolling interests per units	$ 1.515	$ 1.47	$ 3.03	$ 2.94

Per share or unit amount, after investment expense, of dividend and interest investment income (loss).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478494/946-205-50-7

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