XML 17 R48.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Income Taxes: (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2012
Income Taxes: |
Schedule of components of distributions made to common stockholders on a per share basis |
|  | 2012 |  | 2011 |  | 2010 |
--- | --- | --- | --- | --- | --- | --- | ---
Ordinary income |  | $ | 0.74 |  |  | 33.2 | % | $ | 0.85 |  |  | 41.5 | % | $ | 0.57 |  |  | 27.1 | %
Capital gains |  |  | 1.13 |  |  | 50.7 | % |  | 0.01 |  |  | 0.5 | % |  | 0.04 |  |  | 1.9 | %
Unrecaptured Section 1250 gain |  |  | 0.36 |  |  | 16.1 | % |  | 0.04 |  |  | 2.0 | % |  | — |  |  | — |
Return of capital |  |  | — |  |  | — |  |  | 1.15 |  |  | 56.0 | % |  | 1.49 |  |  | 71.0 | %
Dividends paid |  | $ | 2.23 |  |  | 100.0 | % | $ | 2.05 |  |  | 100.0 | % | $ | 2.10 |  |  | 100.0 | %
Schedule of income tax benefit of TRSs |
|  | 2012 |  | 2011 |  | 2010 |
--- | --- | --- | --- | --- | --- | --- | ---
Current |  | $ | — |  | $ | — |  | $ | (11 | )
Deferred |  |  | 4,159 |  |  | 6,110 |  |  | 9,213 |
Income tax benefit |  | $ | 4,159 |  | $ | 6,110 |  | $ | 9,202 |
Reconciliation of income tax benefit (provision) of the TRSs to the amount computed by applying the federal corporate tax rate |
|  | 2012 |  | 2011 |  | 2010 |
--- | --- | --- | --- | --- | --- | --- | ---
Book loss for TRSs |  | $ | 16,154 |  | $ | 19,558 |  | $ | 19,896 |
Tax at statutory rate on earnings from continuing operations before income taxes |  | $ | 5,493 |  | $ | 6,650 |  | $ | 6,765 |
Other |  |  | (1,334 | ) |  | (540 | ) |  | 2,437 |
Income tax benefit |  | $ | 4,159 |  | $ | 6,110 |  | $ | 9,202 |
Schedule of tax effects of temporary differences and carryforwards of the TRSs included in net deferred tax assets |
|  | 2012 |  | 2011 |
--- | --- | --- | --- | --- | ---
Net operating loss carryforwards |  | $ | 33,781 |  | $ | 29,045 |
Property, primarily differences in depreciation and amortization, the tax basis of land assets and treatment of certain other costs |  |  | (1,973 | ) |  | (4,442 | )
Other |  |  | 1,606 |  |  | 2,226 |
Net deferred tax assets |  | $ | 33,414 |  | $ | 26,829 |
Reconciliation of the unrecognized tax benefits |
|  | 2012 |  | 2011 |  | 2010 |
--- | --- | --- | --- | --- | --- | --- | ---
Unrecognized tax benefits at beginning of year |  | $ | — |  | $ | — |  | $ | 2,420 |
Gross increases for tax positions of current year |  |  | — |  |  | — |  |  | — |
Gross decreases for tax positions of current year |  |  | — |  |  | — |  |  | (2,420 | )
Unrecognized tax benefits at end of year |  | $ | — |  | $ | — |  | $ | — |

X
- Definition Tabular disclosure of distributions paid to common stockholders on a per share basis, consisting of ordinary income, capital gains, unrecaptured Section 1250 gain and return of capital or a combination thereof. + References No definition available. + Details
Name: | mac_ScheduleOfDistributionsMadeToCommonStockholdersOnPerShareBasisTableTextBlock
Namespace Prefix: | mac_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
Name: | us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
Name: | us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
Name: | us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities (i.e., uncertain tax positions) and other types of income tax contingencies, including: (1) the policy on classification of interest and penalties; (2) a tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period; the total amount(s) of: (3) unrecognized tax benefits that, if recognized, would affect the effective tax rate, and (4) interest and penalties recognized in each of the income statement and balance sheet; (5) for positions for which it is reasonably possible that the total amounts unrecognized will significantly change within 12 months of the reporting date the: (i) nature of the uncertainty, (ii) nature of the event that could occur that would cause the change, and (iii) an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made; and (6) a description of tax years that remain subject to examination by major tax jurisdictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_SummaryOfIncomeTaxContingenciesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration