Business Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2023	Sep. 29, 2022	Sep. 28, 2023	Sep. 29, 2022
Segment Reporting Information [Line Items]
Revenues	$ 208,766	$ 183,650	$ 568,049	$ 514,447
Operating income (loss)	20,933	8,949	32,755	11,045
Depreciation and amortization	19,158	16,452	51,028	50,435
Operating Segments | Theatres
Segment Reporting Information [Line Items]
Revenues	126,585	101,258	359,811	310,186
Operating income (loss)	11,377	(723)	32,707	7,687
Depreciation and amortization	14,258	11,632	37,063	35,686
Operating Segments | Hotels/ Resorts
Segment Reporting Information [Line Items]
Revenues	82,098	82,300	207,975	203,958
Operating income (loss)	14,377	14,120	15,450	17,963
Depreciation and amortization	4,817	4,733	13,706	14,484
Corporate Items
Segment Reporting Information [Line Items]
Revenues	83	92	263	303
Operating income (loss)	(4,821)	(4,448)	(15,402)	(14,605)
Depreciation and amortization	$ 83	$ 87	$ 259	$ 265