XML 67 R57.htm IDEA: XBRL DOCUMENT v3.10.0.1

Mortgage Notes Payable - Schedule of mortgage notes payable (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	$ 169,038	$ 171,569
Carrying Amount of Mortgage Notes, Other	4,066,059	4,066,511
Chandler Fashion Center
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	0	0
Carrying Amount of Mortgage Notes, Other	$ 199,937	199,904
Effective interest rate	3.77%
Monthly Debt Service	$ 625
Danbury Fair Mall
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	102,863	104,599
Carrying Amount of Mortgage Notes, Other	$ 102,863	104,598
Effective interest rate	5.53%
Monthly Debt Service	$ 1,538
Fashion Outlets of Chicago
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	0	0
Carrying Amount of Mortgage Notes, Other	$ 199,460	199,298
Effective interest rate	3.64%
Monthly Debt Service	$ 580
Fashion Outlets of Niagara Falls USA
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	0	0
Carrying Amount of Mortgage Notes, Other	$ 111,219	112,770
Effective interest rate	4.89%
Monthly Debt Service	$ 727
Freehold Raceway
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	0	0
Carrying Amount of Mortgage Notes, Other	$ 398,129	398,050
Effective interest rate	3.94%
Monthly Debt Service	$ 1,300
Fresno Fashion Fair
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	0	0
Carrying Amount of Mortgage Notes, Other	$ 323,360	323,261
Effective interest rate	3.67%
Monthly Debt Service	$ 971
Green Acres Commons
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	0	0
Carrying Amount of Mortgage Notes, Other	$ 127,545	$ 107,219
Effective interest rate	4.69%	4.07%
Monthly Debt Service	$ 447
Green Acres Mall
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	0	$ 0
Carrying Amount of Mortgage Notes, Other	$ 288,043	291,366
Effective interest rate	3.61%
Monthly Debt Service	$ 1,447
Kings Plaza Shopping Center
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	0	0
Carrying Amount of Mortgage Notes, Other	$ 442,204	447,231
Effective interest rate	3.67%
Monthly Debt Service	$ 2,229
Oaks, The
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	0	0
Carrying Amount of Mortgage Notes, Other	$ 194,409	196,732
Effective interest rate	4.14%
Monthly Debt Service	$ 1,064
Pacific View
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	0	0
Carrying Amount of Mortgage Notes, Other	$ 122,895	124,397
Effective interest rate	4.08%
Monthly Debt Service	$ 668
Queens Center
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	0	0
Carrying Amount of Mortgage Notes, Other	$ 600,000	600,000
Effective interest rate	3.49%
Monthly Debt Service	$ 1,744
Santa Monica Place
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	0	0
Carrying Amount of Mortgage Notes, Other	296,695	296,366
Monthly Debt Service	844
SanTan Village Regional Center
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	0	0
Carrying Amount of Mortgage Notes, Other	$ 123,151	124,703
Effective interest rate	3.14%
Monthly Debt Service	$ 589
Towne Mall
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	0	0
Carrying Amount of Mortgage Notes, Other	$ 20,948	21,161
Effective interest rate	4.48%
Monthly Debt Service	$ 117
Tucson La Encantada
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	66,175	66,970
Carrying Amount of Mortgage Notes, Other	$ 0	0
Effective interest rate	4.23%
Monthly Debt Service	$ 368
Victor Valley, Mall of
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	0	0
Carrying Amount of Mortgage Notes, Other	$ 114,646	114,617
Effective interest rate	4.00%
Monthly Debt Service	$ 380
Vintage Faire Mall
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	0	0
Carrying Amount of Mortgage Notes, Other	$ 261,025	263,818
Effective interest rate	3.55%
Monthly Debt Service	$ 1,256
Westside Pavilion
Mortgage loans payable on real estate
Carrying Amount of Mortgage Notes, Related Party	0	0
Carrying Amount of Mortgage Notes, Other	$ 139,530	$ 141,020
Effective interest rate	4.49%
Monthly Debt Service	$ 783

X

- Definition

Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations such as mortgage loans.

+ References

No definition available.

+ Details

Name:	mac_SecuredDebtNonrelatedParty
Namespace Prefix:	mac_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

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

X

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

Name:	us-gaap_DebtInstrumentPeriodicPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount for notes payable (written promise to pay), due to related parties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.17)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: 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.(k)(1))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

+ Details

Name:	us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_ChandlerFashionCenterMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_DanburyFairMallMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_FashionOutletsOfChicagoMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_FashionOutletsAtNiagaraMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_FreeholdRacewayMallMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_FresnoFashionFairMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_GreenAcresCommonsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_GreenAcresMallMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_KingsPlazaMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_TheOaksOneMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_PacificViewMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_QueensCenterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_SantaMonicaPlaceMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_SanTanVillageRegionalCenterMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_TowneMallMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_TucsonLaEncantadaMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_MallOfVictorValleyMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_VintageFaireMallMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=mac_WestsidePavilionMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: