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Bank and Other Notes Payable: (Tables) | 12 Months Ended
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Dec. 31, 2015
Bank and Other Notes Payable: |
Schedule of future maturities of bank and other notes payable | The future maturities of bank and other notes payable are as follows:
Year Ending December 31, |
2016 | $ | 9,130 |
2018 | 650,000 |
| $ | 659,130 |

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- References No definition available. + Details
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Namespace Prefix: | mac_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Tabular disclosure of the combined aggregate amount of maturities of bank and other notes payable for each of the five years following the date of the latest balance sheet date presented. + References No definition available. + Details
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Namespace Prefix: | mac_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration