Related Parties (Details)							12 Months Ended
	Nov. 06, 2020 USD ($)	Oct. 01, 2020 USD ($)	Mar. 13, 2020 USD ($) item	Aug. 31, 2016 USD ($)	Jan. 01, 2015	Jun. 28, 2007 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2012 USD ($)	Feb. 28, 2015 USD ($)
Related Party Transaction [Line Items]
Total operating property							$ 306,657,000	$ 353,125,000
Operating lease liabilities - current							23,737,000	22,699,000
Contributions from noncontrolling stockholders							3,000	55,000	$ 90,000
Debt amount							234,000,000.0	282,600,000
Renovation amount							219,580,000	253,419,000
Capital call							0	0	0	$ 506,000
Contractual facility							248,948,000	300,449,000
Rent charge							319,619,000
Proceeds from contributions		$ 750,000
US Cinema 1, 2, 3 Term Loan [Member]
Related Party Transaction [Line Items]
Contractual facility			$ 25,000,000.0	$ 20,000,000.0			$ 24,039,000	$ 24,625,000
Maturity date							Apr. 01, 2022	Apr. 01, 2022
Number of extension options | item			2
Extension period			6 months	12 months
Interest rate			4.25%	3.25%
Shadow View Land And Farming, LLC [Member]
Related Party Transaction [Line Items]
Noncontrolling interests							50.00%
Sutton Hill Properties, LLC [Member]
Related Party Transaction [Line Items]
Payments of distributions		1,000,000.0
Sutton Hill Properties, LLC [Member] | US Cinema 1, 2, 3 Term Loan [Member]
Related Party Transaction [Line Items]
Contractual facility				$ 15,000,000.0
Cinemas 1, 2, 3 [Member]
Related Party Transaction [Line Items]
Improvement fee								$ 0	96,000
Management fee										177,000
Incremental positive cash flow percentage					100.00%
Average annual positive cash flow period					3 years
Annual cash-on-cash return percent					15.00%
Sutton Hill Capital, LLC [Member]
Related Party Transaction [Line Items]
Payment to acquire interest in special purpose entity						$ 3,000,000.0
Management fee	$ 112,500
Debt amount						26,900,000
Due from related party						$ 2,900,000
Renovation amount												$ 750,000
Capital call										$ 169,000
Guarantee and indemnity percentage							25.00%
Sutton Hill Capital, LLC [Member] | Sutton Hill Properties, LLC [Member]
Related Party Transaction [Line Items]
Payments of distributions		$ 250,000
Sutton Hill Capital, LLC [Member] | Cinemas 1, 2, 3 [Member]
Related Party Transaction [Line Items]
Percent of management fee equal to SHP's gross income							5.00%
Sutton Hill Capital's Interest In Sutton Hill Properties [Member]
Related Party Transaction [Line Items]
Special purpose entity purchase option, percentage							25.00%
James Cotter And Michael Forman [Member]
Related Party Transaction [Line Items]
Ownership percentage in live theater play investment							5.00%
Chief Executive Officer [Member]
Related Party Transaction [Line Items]
Contributions from noncontrolling stockholders											$ 2,500,000
Bonus contributed to acquire land											$ 255,000
Chief Executive Officer [Member] | Shadow View Land And Farming, LLC [Member]
Related Party Transaction [Line Items]
Noncontrolling interests											50.00%
Percentage of costs associated with acquisition											50.00%
86th Street Cinema [Member]
Related Party Transaction [Line Items]
Management fee							$ 0	0	$ 45,000
Village East Cinema [Member]
Related Party Transaction [Line Items]
Operating lease liabilities - current							0.0
Rent charge							$ 590,000
Deferred rent								$ 442,000
Village East Cinema [Member] | Sutton Hill Capital, LLC [Member]
Related Party Transaction [Line Items]
Lease term							10 years
Purchase option							$ 5,900,000
Total operating property							4,700,000
Operating lease liabilities - current							$ 5,900,000