XML 45 R47.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Summary of Significant Accounting Policies: Revenues (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Revenues |  |  |
Increase in minimum rent due to straight-line rent adjustment | $ 5,825 us-gaap_StraightLineRent | $ 7,498 us-gaap_StraightLineRent | $ 5,399 us-gaap_StraightLineRent
Minimum |  |  |
Revenues |  |  |
Management fees as a percentage of gross monthly rental revenue | 1.50%mac_ManagementFeeRevenueAsPercentageOfGrossMonthlyRentalRevenue / us-gaap_RangeAxis = us-gaap_MinimumMember |  |
Maximum |  |  |
Revenues |  |  |
Management fees as a percentage of gross monthly rental revenue | 5.00%mac_ManagementFeeRevenueAsPercentageOfGrossMonthlyRentalRevenue / us-gaap_RangeAxis = us-gaap_MaximumMember |  |

X
- Definition Represents the revenue earned for operating and managing third-party properties, expressed as a percentage of the gross monthly rental revenue of the properties managed. + References No definition available. + Details
Name: | mac_ManagementFeeRevenueAsPercentageOfGrossMonthlyRentalRevenue
Namespace Prefix: | mac_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Difference between actual rental income due and rental income recognized on a straight-line basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_StraightLineRent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |