XML 81 R69.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Subsequent Events: (Details) $ / shares in Units, ft² in Thousands, $ in Thousands |  |  |  |  |  |  |  | 2 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 26, 2016 $ / shares | Apr. 19, 2016 shares | Apr. 13, 2016 USD ($) ft² | Feb. 22, 2016 shares | Jan. 19, 2016 $ / shares shares | Nov. 13, 2015 shares | Oct. 30, 2015 $ / shares | Apr. 19, 2016 $ / shares shares | Jan. 20, 2016 shares
Subsequent events |  |  |  |  |  |  |  |  |
Accelerated shares repurchased, number of shares purchased (shares) | shares |  |  |  | 4,222,193 | 970,609 | 4,140,788 |  |  | 5,111,397
Average price per share paid for stock repurchased for accelerated stock repurchases (in dollars per share) |  |  |  |  | $ 78.26 |  |  |  |
Dividend declared (in dollars per share) |  |  |  |  |  |  | $ 2.00 |  |
Subsequent event |  |  |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |  |  |
Accelerated shares repurchased, number of shares purchased (shares) | shares |  | 861,235 |  |  |  |  |  | 5,083,428 |
Average price per share paid for stock repurchased for accelerated stock repurchases (in dollars per share) |  |  |  |  |  |  |  | $ 78.69 |
Dividend declared (in dollars per share) | $ 0.68 |  |  |  |  |  |  |  |
Capitola Mall [Member] | Subsequent event |  |  |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |  |  |
Property area (in square feet) | ft² |  |  | 586 |  |  |  |  |  |
Proceeds from sale | $ |  |  | $ 93,000 |  |  |  |  |  |

X
- Definition Accelerated Share Repurchase Program, Number of Shares Purchased + References No definition available. + Details
Name: | mac_AcceleratedShareRepurchaseProgramNumberofSharesPurchased
Namespace Prefix: | mac_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Final price paid per share for the purchase of the targeted number of shares, determined by an average market price over a fixed period of time. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653 + Details
Name: | us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Area of a real estate property. + References No definition available. + Details
Name: | us-gaap_AreaOfRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
Name: | us-gaap_ProceedsFromDivestitureOfBusinesses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mac_CapitolaMallMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |