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Investments in Unconsolidated Joint Ventures: Financial Results (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Assets: |  |  |
Properties, net | $ 2,967,878 mac_EquityMethodInvestmentSummarizedFinancialInformationRealEstateInvestmentPropertyNet | $ 3,435,737 mac_EquityMethodInvestmentSummarizedFinancialInformationRealEstateInvestmentPropertyNet |
Other assets | 208,726 mac_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets | 295,719 mac_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets |
Total assets | 3,176,604 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets | 3,731,456 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets |
Liabilities and partners' capital: |  |  |
Mortgage notes payable | 2,038,379 mac_EquityMethodInvestmentSummarizedFinancialInformationSecuredDebt | 3,518,215 mac_EquityMethodInvestmentSummarizedFinancialInformationSecuredDebt |
Other liabilities | 195,766 mac_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities | 202,444 mac_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities |
Company's capital | 489,349 us-gaap_EquityMethodInvestmentUnderlyingEquityInNetAssets | (25,367)us-gaap_EquityMethodInvestmentUnderlyingEquityInNetAssets |
Outside partners' capital | 453,110 mac_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapitalOtherInterests | 36,164 mac_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapitalOtherInterests |
Total liabilities and partners' capital | 3,176,604 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity | 3,731,456 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity |
Investment in unconsolidated joint ventures: |  |  |
Company's capital | 489,349 us-gaap_EquityMethodInvestmentUnderlyingEquityInNetAssets | (25,367)us-gaap_EquityMethodInvestmentUnderlyingEquityInNetAssets |
Basis adjustment | 464,826 us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity | 474,658 us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity |
Investments in unconsolidated joint ventures | 954,175 mac_EquityMethodInvestmentsNet | 449,291 mac_EquityMethodInvestmentsNet |
Assets—Investments in unconsolidated joint ventures | 984,132 us-gaap_EquityMethodInvestments | 701,483 us-gaap_EquityMethodInvestments |
Liabilities—Distributions in excess of investments in unconsolidated joint ventures | (29,957)mac_InvestmentsInUnconsolidatedJointVentures | (252,192)mac_InvestmentsInUnconsolidatedJointVentures |
Mortgage notes payable that could become recourse debt to the Company | 33,540 us-gaap_GuaranteeObligationsMaximumExposure | 35,540 us-gaap_GuaranteeObligationsMaximumExposure |
Indemnity of guaranteed amount | 16,770 mac_GuaranteeObligationsExposureIndemnifiedByThirdParty | 16,770 mac_GuaranteeObligationsExposureIndemnifiedByThirdParty |
Amortization of difference between cost of investments and book value of underlying equity | 5,109 mac_EquityMethodInvestmentAmortizationOfDifferenceBetweenCarryingAmountAndUnderlyingEquity | 10,734 mac_EquityMethodInvestmentAmortizationOfDifferenceBetweenCarryingAmountAndUnderlyingEquity | 15,480 mac_EquityMethodInvestmentAmortizationOfDifferenceBetweenCarryingAmountAndUnderlyingEquity
Revenues: |  |  |
Minimum rents | 388,363 mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue | 418,724 mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue | 512,002 mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue
Percentage rents | 17,161 mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent | 19,589 mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent | 23,087 mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent
Tenant recoveries | 186,741 mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements | 204,171 mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements | 250,168 mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements
Other | 40,705 mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue | 45,627 mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue | 46,239 mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue
Total revenues | 632,970 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue | 688,111 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue | 831,496 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue
Expenses: |  |  |
Shopping center and operating expenses | 215,412 mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue | 229,818 mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue | 287,234 mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue
Interest expense | 137,087 mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense | 145,322 mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense | 199,916 mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense
Depreciation and amortization | 144,403 mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization | 147,309 mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization | 177,997 mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization
Total operating expenses | 496,902 mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses | 522,449 mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses | 665,147 mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses
(Loss) gain on sale of assets | 3,643 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets | 190,526 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets | 29,301 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets
Gain on early extinguishment of debt |  | 14 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnEarlyExtinguishmentOfDebt |
Net income | 139,711 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss | 356,202 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss | 195,650 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss
Company's equity in net income | 60,626 us-gaap_IncomeLossFromEquityMethodInvestments | 167,580 us-gaap_IncomeLossFromEquityMethodInvestments | 79,281 us-gaap_IncomeLossFromEquityMethodInvestments
Northwestern Mutual Life (NML) |  |  |
Investment in unconsolidated joint ventures: |  |  |
Mortgage notes payable to affiliate | 606,263 mac_EquityMethodInvestmentNotesPayableRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = mac_NorthwesternMutualLifeMember | 712,455 mac_EquityMethodInvestmentNotesPayableRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = mac_NorthwesternMutualLifeMember |
Interest expense on borrowings from related party | 38,113 mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = mac_NorthwesternMutualLifeMember | 31,549 mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = mac_NorthwesternMutualLifeMember | 43,732 mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = mac_NorthwesternMutualLifeMember
Pacific Premier Retail LP |  |  |
Assets: |  |  |
Total assets | 0 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 775,012 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember |
Investment in unconsolidated joint ventures: |  |  |
Total liabilities | 0 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilities / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 812,725 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilities / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember |
Revenues: |  |  |
Minimum rents | 88,831 mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 118,164 mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 132,247 mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember
Percentage rents | 2,652 mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 4,586 mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 5,390 mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember
Tenant recoveries | 40,118 mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 52,470 mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 56,397 mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember
Other | 4,090 mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 5,882 mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 5,650 mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember
Total revenues | 135,691 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 181,102 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 199,684 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember
Expenses: |  |  |
Shopping center and operating expenses | 37,113 mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 53,039 mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 59,329 mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember
Interest expense | 34,113 mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 43,445 mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 52,139 mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember
Depreciation and amortization | 29,688 mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 39,616 mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 43,031 mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember
Total operating expenses | 100,914 mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 136,100 mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 154,499 mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember
(Loss) gain on sale of assets | (7,044)mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 182,754 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 90 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember
Gain on early extinguishment of debt |  | 0 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnEarlyExtinguishmentOfDebt / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember |
Net income | 27,733 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 227,756 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 45,275 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember
Company's equity in net income | 9,743 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 110,798 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember | 23,026 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_PacificPremierRetailLPMember
Tysons Corner LLC |  |  |
Assets: |  |  |
Total assets | 341,931 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 356,871 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember |
Investment in unconsolidated joint ventures: |  |  |
Total liabilities | 871,933 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilities / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 887,413 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilities / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember |
Revenues: |  |  |
Minimum rents | 64,521 mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 62,072 mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 63,569 mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember
Percentage rents | 2,091 mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 2,057 mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 1,929 mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember
Tenant recoveries | 47,084 mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 45,452 mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 44,225 mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember
Other | 3,472 mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 3,110 mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 3,341 mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember
Total revenues | 117,168 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 112,691 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 113,064 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember
Expenses: |  |  |
Shopping center and operating expenses | 38,786 mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 36,798 mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 35,244 mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember
Interest expense | 31,677 mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 15,751 mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 11,481 mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember
Depreciation and amortization | 19,880 mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 18,139 mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 19,798 mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember
Total operating expenses | 90,343 mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 70,688 mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 66,523 mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember
(Loss) gain on sale of assets | 0 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 0 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 0 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember
Gain on early extinguishment of debt |  | 14 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnEarlyExtinguishmentOfDebt / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember |
Net income | 26,825 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 42,017 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 46,541 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember
Company's equity in net income | 7,080 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 15,126 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember | 17,969 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_TysonsCornerLLCMember
Other Joint Ventures |  |  |
Revenues: |  |  |
Minimum rents | 235,011 mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 238,488 mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 316,186 mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember
Percentage rents | 12,418 mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 12,946 mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 15,768 mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember
Tenant recoveries | 99,539 mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 106,249 mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 149,546 mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember
Other | 33,143 mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 36,635 mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 37,248 mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember
Total revenues | 380,111 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 394,318 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 518,748 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember
Expenses: |  |  |
Shopping center and operating expenses | 139,513 mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 139,981 mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 192,661 mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember
Interest expense | 71,297 mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 86,126 mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 136,296 mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember
Depreciation and amortization | 94,835 mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 89,554 mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 115,168 mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember
Total operating expenses | 305,645 mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 315,661 mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 444,125 mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember
(Loss) gain on sale of assets | 10,687 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 7,772 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 29,211 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember
Gain on early extinguishment of debt |  | 0 mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnEarlyExtinguishmentOfDebt / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember |
Net income | 85,153 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 86,429 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | 103,834 us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember
Company's equity in net income | $ 43,803 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | $ 41,656 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember | $ 38,286 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = mac_OtherJointVenturesMember

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- Definition The item represents the amortization during the period of the difference between the amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and the amount of underlying equity in net assets the reporting Entity has in the investee. + References No definition available. + Details
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- Definition The amount for notes payable due to related parties reported by an equity method investment of the entity. + References No definition available. + Details
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- Definition The carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee, net of the liability for distributions received in excess of the entity's investment. + References No definition available. + Details
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- Definition This element represents the total of the costs related to real estate revenues reported for the period by an equity method investment of the entity. + References No definition available. + Details
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- Definition The current period expense charged against earnings for depreciation and amortization on long-lived, physical assets not used in production, and which are not intended for resale, reported by an equity method investment of the entity. + References No definition available. + Details
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- Definition The amount of equity (capital) of an equity method investment of the entity that is attributable to other ownership interests. + References No definition available. + Details
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- Definition Represents the amount of gain or loss on the extinguishment of debt for the period reported by an equity method investment of the entity. + References No definition available. + Details
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- Definition Represents the amount of gain or loss resulting from either the difference between the carrying value and the sales price or remeasurement of the carrying value of assets during the period, reported by an equity method investment of the entity. + References No definition available. + Details
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- Definition The cost of borrowed funds accounted for as interest that was charged against earnings during the period by an equity method investment of the entity. + References No definition available. + Details
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- Definition The amount of interest expense on a debt or other obligation to a related party reported by an equity method investment of the entity. + References No definition available. + Details
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- Definition The total amount of lease revenue recognized for the period for which the lessee was obligated under leasing arrangements regardless of any other events or conditions, reported by an equity method investment of the entity. + References No definition available. + Details
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- Definition Generally recurring costs associated with normal operations for the period reported by an equity method investment of the entity. + References No definition available. + Details
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- Definition The aggregate carrying amount of other assets not separately disclosed, reported by an equity method investment of the entity. + References No definition available. + Details
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- Definition The aggregate carrying amount of other liabilities not separately disclosed, reported by an equity method investment of the entity. + References No definition available. + Details
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- Definition The sum of all other revenue and income for the period reported by an equity method investment of the entity. + References No definition available. + Details
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- Definition This element represents the rental revenue earned during the period from lessee-operators based on revenues generated in their operations, generally in excess of a base amount, reported by an equity method investment of the entity. + References No definition available. + Details
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- Definition The net book value of real estate investment property reported by an equity method investment of the entity. + References No definition available. + Details
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- Definition Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations reported by an equity method investment of the entity. + References No definition available. + Details
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- Definition This element represents allowable charges due a landlord from its tenant for the period, reported by an equity method investment of the entity. + References No definition available. + Details
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- Definition The portion of the amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees that is indemnified by a third party. + References No definition available. + Details
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- Definition Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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- Definition The amount of net income (loss) reported by an equity method investment of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(g)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33912-111571 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph bb -Article 1 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph g -Subparagraph 1, 2 -Article 4 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph w -Article 1 + Details
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- Definition The amount of revenue from sale of goods and services reduced by sales returns, allowances, and discounts reported by an equity method investment of the entity. + References No definition available. + Details
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- Definition This item represents the entity's ownership percentage in the investee multiplied by the investee's total equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 + Details
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