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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2023	Mar. 31, 2022
Income Tax Disclosure [Abstract]
Effective income tax rate, percent	23.10%	30.50%
Proceeds from income tax paid refunds		$ 22,959
Interest income		$ 636

X

- Definition

The amount of estimated interest income recognized in the period arising from income tax examinations.

+ References

No definition available.

+ Details

Name:	mcs_IncomeTaxExaminationInterestIncome
Namespace Prefix:	mcs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of cash received during the period as refunds for the overpayment of taxes.

+ References

No definition available.

+ Details

Name:	mcs_ProceedsFromIncomeTaxPaidRefunds
Namespace Prefix:	mcs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

+ Details

Name:	us-gaap_EffectiveIncomeTaxRateContinuingOperations
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration