    <SEC-DOCUMENT>0001564590-21-004090-index.html : 20210203
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    <ACCEPTANCE-DATETIME>20210203165144
    ACCESSION NUMBER:		0001564590-21-004090
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		16
    CONFORMED PERIOD OF REPORT:	20210203
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20210203
    DATE AS OF CHANGE:		20210203

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			MID AMERICA APARTMENT COMMUNITIES INC.
    		CENTRAL INDEX KEY:			0000912595
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		IRS NUMBER:				621543819
    		STATE OF INCORPORATION:			TN
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-12762
    		FILM NUMBER:		21586896

    	BUSINESS ADDRESS:
    		STREET 1:		6815 POPLAR AVENUE
    		STREET 2:		SUITE 500
    		CITY:			GERMANTOWN
    		STATE:			TN
    		ZIP:			38138
    		BUSINESS PHONE:		9016826600

    	MAIL ADDRESS:
    		STREET 1:		6815 POPLAR AVENUE
    		STREET 2:		SUITE 500
    		CITY:			GERMANTOWN
    		STATE:			TN
    		ZIP:			38138

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MID AMERICA APARTMENT COMMUNITIES INC
    		DATE OF NAME CHANGE:	19930927

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Mid-America Apartments, L.P.
    		CENTRAL INDEX KEY:			0001581776
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		IRS NUMBER:				621543816
    		STATE OF INCORPORATION:			TN
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	333-190028-01
    		FILM NUMBER:		21586895

    	BUSINESS ADDRESS:
    		STREET 1:		6815 POPLAR AVENUE
    		STREET 2:		SUITE 500
    		CITY:			GERMANTOWN
    		STATE:			TN
    		ZIP:			38138
    		BUSINESS PHONE:		(901) 248-4126

    	MAIL ADDRESS:
    		STREET 1:		6815 POPLAR AVENUE
    		STREET 2:		SUITE 500
    		CITY:			GERMANTOWN
    		STATE:			TN
    		ZIP:			38138
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    <SEQUENCE>1
    <FILENAME>maa-8k_20210203.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: maa-8k_20210203.htm

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    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>maa-ex991_6.htm
    <DESCRIPTION>EX-99.1
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    <DESCRIPTION>EX-99.2
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    Document 3 - file: maa-ex992_7.htm

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    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
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    <FILENAME>maa-20210203_def.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE
    <TEXT>
    Document 6 - file: maa-20210203_def.xml

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    <TYPE>EX-101.LAB
    <SEQUENCE>7
    <FILENAME>maa-20210203_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
    <TEXT>
    Document 7 - file: maa-20210203_lab.xml

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    <TYPE>EX-101.PRE
    <SEQUENCE>8
    <FILENAME>maa-20210203_pre.xml
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    <TEXT>
    Document 8 - file: maa-20210203_pre.xml

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    <TYPE>XML
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    <TYPE>EXCEL
    <SEQUENCE>11
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 11 - file: Financial_Report.xlsx

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    <TYPE>XML
    <SEQUENCE>12
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    Document 12 - file: Show.js

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    <SEQUENCE>13
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    <TEXT>
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    <TYPE>XML
    <SEQUENCE>14
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    <TYPE>JSON
    <SEQUENCE>16
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    <TYPE>ZIP
    <SEQUENCE>17
    <FILENAME>0001564590-21-004090-xbrl.zip
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    <TEXT>
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