XML 47 R33.htm IDEA: XBRL DOCUMENT
v3.23.1

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
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Equity [Line Items] |  |
Dividends on common stock, per share | $ 1.4000 | $ 1.0875
Dividends on noncontrolling interests, per unit | $ 1.4000 | $ 1.0875

X
- Definition Equity [Line Items] + References No definition available. + Details
Name: | maa_EquityLineItems
Namespace Prefix: | maa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share or unit amount, after investment expense, of dividend and interest investment income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 205 -Section 50 -Paragraph 7 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=25866437&loc=d3e10246-115837 + Details
Name: | us-gaap_InvestmentCompanyInvestmentIncomeLossPerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PartnerTypeOfPartnersCapitalAccountAxis=maa_MidAmericaApartmentCommunitiesIncShareholdersEquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |