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v3.19.1

Noncontrolling Interests (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Dec. 31, 2018
Subsidiary of Limited Liability Company or Limited Partnership [Line Items] |  |
Limited partnership interest of the operating partnership | 7.00% | 7.00%
Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Number of trading days used to calculate redemption value | 10 days |
Redemption value of outstanding OP Units not owned by the Company | $ 451,189 | $ 448,116
Macerich | The Macerich Partnership, L.P. |  |
Subsidiary of Limited Liability Company or Limited Partnership [Line Items] |  |
Ownership interest in operating partnership | 93.00% | 93.00%

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- Definition Represents the aggregate redemption value for the noncontrolling interest. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- Definition Minority Interest, Redemption Value Basis Number of Trading Days + References No definition available. + Details
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Namespace Prefix: | mac_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Face amount or stated value per share of common stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. + References No definition available. + Details
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- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
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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
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- Details
Name: | srt_OwnershipAxis=mac_TheMacerichCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |