XML 50 R37.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Description of Business and Summary of Significant Accounting Policies - Depreciation and Amortization of Property and Equipment (Details) | 12 Months Ended
--- | ---
Dec. 30, 2021
Finance lease right-of-use assets | Minimum |
Summary of Significant Accounting Policies [Line Items] |
Useful life | 4 years
Finance lease right-of-use assets | Maximum |
Summary of Significant Accounting Policies [Line Items] |
Useful life | 15 years
Buildings and improvements | Minimum |
Summary of Significant Accounting Policies [Line Items] |
Useful life | 12 years
Buildings and improvements | Maximum |
Summary of Significant Accounting Policies [Line Items] |
Useful life | 39 years
Land and improvements | Minimum |
Summary of Significant Accounting Policies [Line Items] |
Useful life | 10 years
Land and improvements | Maximum |
Summary of Significant Accounting Policies [Line Items] |
Useful life | 20 years
Leasehold improvements | Minimum |
Summary of Significant Accounting Policies [Line Items] |
Useful life | 3 years
Leasehold improvements | Maximum |
Summary of Significant Accounting Policies [Line Items] |
Useful life | 40 years
Furniture, fixtures and equipment | Minimum |
Summary of Significant Accounting Policies [Line Items] |
Useful life | 2 years
Furniture, fixtures and equipment | Maximum |
Summary of Significant Accounting Policies [Line Items] |
Useful life | 20 years

X
- Definition Summary of Significant Accounting Policies [Line Items] + References No definition available. + Details
Name: | mcs_SummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | mcs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=mcs_FinanceLeaseRightOfUseAssetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingAndBuildingImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LeaseholdImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_FurnitureAndFixturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |