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v2.4.1.9

Property: Narrative (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended | 0 Months Ended
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Aug. 28, 2014
Acquisition |  |  |  |
Gain (loss) on sale or write down of assets, net | $ 73,440 mac_GainLossonSaleorWriteDownofAssets | $ (78,057)mac_GainLossonSaleorWriteDownofAssets | $ 28,734 mac_GainLossonSaleorWriteDownofAssets |
(Loss) gain on sale of assets | 3,643 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets | 190,526 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets | 29,301 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets |
Gain (Loss) on sale of assets | 1,257 us-gaap_GainLossOnDispositionOfAssets | 5,390 us-gaap_GainLossOnDispositionOfAssets | (390)us-gaap_GainLossOnDispositionOfAssets |
Loss on write-off of development costs |  |  | (19,360)mac_GainLossOnSaleOrRemeasurementOfAssetsAndInterestsInUnconsolidatedEntities |
Write-off of Development Cost | (40,561)mac_WriteOffOfDevelopmentCost | (1,250)mac_WriteOffOfDevelopmentCost |  |
Impairment charge | (41,216)us-gaap_ImpairmentOfLongLivedAssetsHeldForUse | (82,197)us-gaap_ImpairmentOfLongLivedAssetsHeldForUse |  |
Various Properties |  |  |  |
Acquisition |  |  |  |
(Loss) gain on sale of assets | 144,927 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = mac_VariousPropertiesMember |  |  |
Wilshire Boulevard |  |  |  |
Acquisition |  |  |  |
(Loss) gain on sale of assets | 9,033 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = mac_WilshireBoulevardMember |  |  | 9,033 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = mac_WilshireBoulevardMember
Chandler Village Center, Chandler Festival, Chandler Gateway and NorthPark Center |  |  |  |
Acquisition |  |  |  |
Gain (Loss) on sale of assets |  |  | $ 48,484 us-gaap_GainLossOnDispositionOfAssets / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = mac_ChandlerVillageCenterChandlerFestivalChandlerGatewayandNorthParkCenterMember |
Mervyn's |  |  |  |
Acquisition |  |  |  |
Number of properties | 3 us-gaap_NumberOfRealEstateProperties / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = mac_FormerMervynsStoresMember |  |  |

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