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Bonus Contributed To Acquire Land

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Guaranteed And Indemnity Loss Coverage

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Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

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Date which lease or group of leases is set to expire, in CCYY-MM-DD format.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Carrying amount of an option or options to acquire real property.

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Related Parties (Narrative) (Details)						12 Months Ended
Related Parties (Narrative) (Details)	Mar. 13, 2020 USD ($) item	Mar. 12, 2020	Aug. 31, 2016 USD ($)	Jan. 01, 2015	Jun. 28, 2007 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2012 USD ($)	Jan. 01, 2019 USD ($)	Feb. 28, 2015 USD ($)
Related Party Transaction [Line Items]
Total operating property						$ 258,138,000	$ 257,667,000					$ 258,037,000
Operating lease liabilities - current						20,379,000						$ 245,280,000
Contributions from noncontrolling stockholders						90,000	82,000	$ 193,000
Renovation amount						149,852,000	149,734,000
Capital call						0	0	$ 0	$ 506,000
Contractual facility						283,138,000	252,929,000
Cinemas 1, 2, 3 Term Loan [Member]
Related Party Transaction [Line Items]
Contractual facility			$ 20,000,000			$ 18,658,000	$ 19,086,000
Maturity date						Apr. 01, 2022	Sep. 01, 2019
Interest rate								3.25%
Shadow View Land And Farming, LLC [Member]
Related Party Transaction [Line Items]
Noncontrolling interests						50.00%
Subsequent Event [Member] \| Cinemas 1, 2, 3 Term Loan [Member]
Related Party Transaction [Line Items]
Contractual facility	$ 25,000,000
Maturity date	Apr. 01, 2022
Number of extension options \| item	2
Extension period	6 months
Interest rate	4.25%
Cinemas 1, 2, 3 [Member]
Related Party Transaction [Line Items]
Improvement fee						$ 96,000	$ 425,000	$ 0
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]
Related party expense						$ 590,000	590,000	590,000
Lease expiration date						Jun. 30, 2020
Payment to acquire interest in special purpose entity					$ 3,000,000
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] \| 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%
Cinema Ground Lease [Member]
Related Party Transaction [Line Items]
Lease expiration date						Jun. 01, 2031
86th Street Cinema [Member]
Related Party Transaction [Line Items]
Management fee						$ 45,000	$ 172,000	$ 141,000
Minimum [Member]
Related Party Transaction [Line Items]
Lease term						1 year
Sutton Hill Properties, LLC [Member] \| Cinemas 1, 2, 3 Term Loan [Member]
Related Party Transaction [Line Items]
Contractual facility			$ 15,000,000
Village East Cinema [Member]
Related Party Transaction [Line Items]
Lease term						13 years
Operating lease liabilities - current						$ 0
Village East Cinema [Member] \| Subsequent Event [Member]
Related Party Transaction [Line Items]
Lease expiration date		Jan. 31, 2022
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
Valley Nattional Bank [Member] \| Subsequent Event [Member] \| Cinemas 1, 2, 3 Term Loan [Member]
Related Party Transaction [Line Items]
Contractual facility	$ 25,000,000
Maturity date	Apr. 01, 2022
Number of extension options \| item	2
Extension period	6 months
Interest rate	4.25%
Extended maturity date	Apr. 01, 2023