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Impact of COVID-19 Pandemic (Details) - restaurant | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 26, 2020 | Apr. 08, 2020 | Mar. 24, 2020
Impact of COVID-19 Pandemic |  |  |
Number of hotels and resorts closed |  | 3 | 5
Number of hotels and resorts owned |  |  | 8
Temporary reduction in salary of Company's chairman, president and chief executive officer (as a percent) | 50.00% |  |
Reduction in each theatre auditorium's capacity (as a percent) | 50.00% |  |

X
- Definition Number Of Hotels And Resorts Owned + References No definition available. + Details
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- Definition Number of hotels and resorts temporarily closed by the company. + References No definition available. + Details
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Namespace Prefix: | mcs_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Percentage of reduction in each theatre auditorium's capacity as a result of social distancing seating plan. + References No definition available. + Details
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- Definition Percentage of temporary reduction in the salary of the Company's chairman, president and chief executive officer. + References No definition available. + Details
Name: | mcs_TemporaryReductionInSalaryPercentage
Namespace Prefix: | mcs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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