XML 97 R73.htm IDEA: XBRL DOCUMENT v3.3.1.900

Legal Proceedings (Details) $ in Millions	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Legal Proceedings
Loss contingency accrual, at carrying value	$ 13.5	$ 12.3
Regatta at James Island Litigation [Member]
Legal Proceedings
Number of units in real estate property	212

X

- Definition

[Line Items] for Legal Proceedings Disclosure

+ References

No definition available.

+ Details

Name:	maa_LegalProceedingsLineItems
Namespace Prefix:	maa_
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Balance Type:	na
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X

- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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Balance Type:	credit
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X

- Definition

The number of units in a real estate property owned as of the balance sheet date.

+ References

No definition available.

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