Description of Business and Summary of Significant Accounting Policies - Reconciliation of Weighted-Average Basic and Diluted Shares (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 29, 2022	Dec. 30, 2021	Dec. 31, 2020
Numerator:
Net loss attributable to The Marcus Corporation	$ (11,972)	$ (43,293)	$ (124,843)
Denominator (in thousands):
Denominator for basic EPS (in shares)	31,488	31,360	31,042
Effect of dilutive employee stock options (in shares)	0	0	0
Effect of convertible notes (in shares)	0	0	0
Denominator for diluted EPS (in shares)	31,488	31,360	31,042
Common Stock
Net loss per share – Basic:
Common stock (in dollars per share)	$ (0.39)	$ (1.42)	$ (4.13)
Net loss per share- Diluted:
Common stock (in dollars per share)	(0.39)	(1.42)	(4.13)
Class B Common Stock
Net loss per share – Basic:
Common stock (in dollars per share)	(0.35)	(1.25)	(3.74)
Net loss per share- Diluted:
Common stock (in dollars per share)	$ (0.35)	$ (1.25)	$ (3.74)