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Share-Based Compensation - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 27, 2024	Jun. 30, 2025	Jun. 27, 2024	May 07, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation	$ 1,441	$ 2,418	$ 4,986	$ 4,932
Marcus Corporation Omnibus Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares authorized for issuance (in shares)					2,000,000
Shares available for grants of additional stock options, non-vested stock (in shares)	1,848,086		1,848,086
Stock Options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation expense unrecognized	$ 1,028		$ 1,028
Share-based payment arrangement, weighted-average remaining life			1 year 6 months
Non-Vested Restricted Stock, RSUs and PSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation expense unrecognized	$ 8,003		$ 8,003
Share-based payment arrangement, weighted-average remaining life			2 years 3 months 18 days

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