XML 73 R41.htm IDEA: XBRL DOCUMENT v2.4.0.6

Organization: (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2012 entity	Dec. 31, 2011
Organization:
Ownership interest in operating partnership (as a percent)	92.00%	92.00%
Number of management companies (in entities)	7

X

- Definition

Represents the number of management companies through which the entity provides property management, leasing and redevelopment for its real estate portfolio.

+ References

No definition available.

+ Details

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Namespace Prefix:	mac_
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X

- Definition

The number of units or percentage investment held by the managing member or general partner of the LLC or LP.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Practice Bulletin (PB)

-Number 14

-Paragraph 15

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 272

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
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- Details

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