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Commitments and License Rights - Additional Information (Details) $ in Thousands | Dec. 30, 2021 USD ($)
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Commitments and Contingencies Disclosure [Abstract] |
Commitments to complete contracts in process value | $ 11,776

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- Definition Represents the value of commitments in performing under a construction-type contract which are outside the ordinary course of business at the balance sheet date. + References No definition available. + Details
Name: | mcs_CommitmentsToCompleteContractsInProcessValue
Namespace Prefix: | mcs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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