XML 50 R62.htm IDEA: XBRL DOCUMENT v2.4.0.6

Property: (Details 2) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended
	Feb. 28, 2011 Desert Sky Mall	Dec. 31, 2011 Desert Sky Mall	Jun. 30, 2011 Superstition Springs Land	Dec. 31, 2011 Superstition Springs Land	Jun. 03, 2011 Superstition Springs Land
Property:
Ownership interest acquired (as a percent)	50.00%	50.00%			50.00%
Gain on purchase of remaining interest in property	$ 1,868	$ 1,868	$ 1,734	$ 1,734

X

- Definition

In a business combination achieved in stages, this element represents the additional percentage of equity interests acquired.

+ References

No definition available.

+ Details

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Namespace Prefix:	mac_
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- Details

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X

- Definition

In a business combination achieved in stages, this element represents the amount of net gain (loss) recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

+ References

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

-Publisher FASB

-Number 141R

-Paragraph 68

-Name Statement of Financial Accounting Standard (FAS)

-Subparagraph q(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 48

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (g)(2)

-URI http://asc.fasb.org/extlink&oid=6909870&loc=d3e1392-128463

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