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Noncontrolling Interests (Details) - USD ($) $ / shares in Units, $ in Thousands | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2018 | Dec. 31, 2017 | Aug. 20, 2014
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 | $ 0.01
Number of trading days used to calculate redemption value | 10 days |  |
Redemption value of outstanding OP Units not owned by the Company | $ 579,249 | $ 671,592 |
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 Minority Interest, Redemption Value Basis Number of Trading Days + References No definition available. + Details
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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 parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
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- Details
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- Details
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