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Organization (Details) - entity	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Subsidiary of Limited Liability Company or Limited Partnership
Number of management companies (in entities)	7
The Macerich Partnership, L.P.
Subsidiary of Limited Liability Company or Limited Partnership
Ownership interest in operating partnership (as a percent)	96.00%	93.00%

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:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Details

Name:	srt_OwnershipAxis=mac_TheMacerichPartnershipLPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: