XML 62 R35.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Summary of Significant Accounting Policies: (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2012
Summary of Significant Accounting Policies: |
Schedule of estimated useful lives of property |
Buildings and improvements |  | 5 - 40 years
Tenant improvements |  | 5 - 7 years
Equipment and furnishings |  | 5 - 7 years
Schedule of range of the terms of loan and lease agreements |
Deferred lease costs |  | 1 - 15 years
Deferred financing costs |  | 1 - 15 years

X
- Definition Tabular disclosure of the estimated useful lives of real estate investment property. + References No definition available. + Details
Name: | mac_ScheduleOfDepreciableLivesOfRealEstateInvestmentPropertyTableTextBlock
Namespace Prefix: | mac_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the range of the terms of loan and lease agreements over which costs are deferred and amortized. + References No definition available. + Details
Name: | mac_ScheduleOfRangeOfTermsOfLoanAndLeaseAgreementsTableTextBlock
Namespace Prefix: | mac_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration