XML 94 R64.htm IDEA: XBRL DOCUMENT v2.4.0.6

Property: (Details 4) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended
	Jul. 31, 2009 Queens Center	Dec. 31, 2009 Queens Center	Sep. 30, 2009 FlatIron Crossing	Dec. 31, 2009 FlatIron Crossing
Investments in unconsolidated joint ventures:
Percentage of ownership interest sold	49.00%	49.00%	75.00%	75.00%
Gain on sale of investments in unconsolidated entity	$ 154,156	$ 154,156	$ 2,506	$ 2,506

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting that was sold by the entity during the period.

+ References

No definition available.

+ Details

Name:	mac_EquityMethodInvestmentsPercentageOfOwnershipInterestSold
Namespace Prefix:	mac_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This item represents the amount of gain (loss) arising from the disposal of an equity method investment.

+ References

No definition available.

+ Details

Name:	us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration