General - Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 01, 2021	Jun. 25, 2020	Jul. 01, 2021	Jun. 25, 2020
Summary of Significant Accounting Policies [Line Items]
Cost reimbursements	$ 3,417	$ 1,935	$ 6,750	$ 10,691
Total revenues	92,547	7,933	143,334	167,393
Theatre admissions [Member]
Summary of Significant Accounting Policies [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	24,915	154	35,600	55,549
Rooms [Member]
Summary of Significant Accounting Policies [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	17,332	857	26,376	17,846
Theatre concessions [Member]
Summary of Significant Accounting Policies [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	23,061	1,104	32,980	47,034
Food and beverage [Member]
Summary of Significant Accounting Policies [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	9,591	586	15,503	14,200
Other revenues [Member]
Summary of Significant Accounting Policies [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	14,231	3,297	26,125	22,073
Theatres Segment [Member]
Summary of Significant Accounting Policies [Line Items]
Cost reimbursements	44	34	87	217
Total revenues	52,301	1,849	74,863	111,060
Theatres Segment [Member] \| Theatre admissions [Member]
Summary of Significant Accounting Policies [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	24,915	154	35,600	55,549
Theatres Segment [Member] \| Theatre concessions [Member]
Summary of Significant Accounting Policies [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	23,061	1,104	32,980	47,034
Theatres Segment [Member] \| Other revenues [Member]
Summary of Significant Accounting Policies [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	4,281	557	6,196	8,260
Hotels or Resorts [Member]
Summary of Significant Accounting Policies [Line Items]
Cost reimbursements	3,373	1,901	6,663	10,474
Total revenues	40,151	5,915	68,276	56,075
Hotels or Resorts [Member] \| Rooms [Member]
Summary of Significant Accounting Policies [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	17,332	857	26,376	17,846
Hotels or Resorts [Member] \| Food and beverage [Member]
Summary of Significant Accounting Policies [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	9,591	586	15,503	14,200
Hotels or Resorts [Member] \| Other revenues [Member]
Summary of Significant Accounting Policies [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	9,855	2,571	19,734	13,555
Corporate Segment [Member]
Summary of Significant Accounting Policies [Line Items]
Total revenues	95	169	195	258
Corporate Segment [Member] \| Other revenues [Member]
Summary of Significant Accounting Policies [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 95	$ 169	$ 195	$ 258