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Organization: (Details)	3 Months Ended
	Mar. 31, 2014 entity	Mar. 31, 2014 The Macerich Partnership, L.P.	Dec. 31, 2013 The Macerich Partnership, L.P.
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Ownership interest in operating partnership (as a percent)		93.00%	93.00%
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

Name:	mac_NumberOfRealEstateManagementCompanies
Namespace Prefix:	mac_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

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