Related Party Transactions (Details) - USD ($)							12 Months Ended
		Aug. 31, 2016	Jun. 27, 2016	Mar. 10, 2016	Jan. 01, 2015	Jun. 28, 2007	Dec. 31, 2016		Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013	Dec. 31, 2012	Feb. 28, 2015
Related Party Transaction [Line Items]
Total operating property							$ 211,886,000		$ 210,298,000	[1],[2]
Current capital lease liability	[3]						5,900,000		5,900,000
Contributions from noncontrolling stockholders							268,000		17,000	[4]	$ 327,000	[4]
Renovation amount							122,863,000		126,622,000
Contractual facility							266,233,000		207,075,000
Capital call							506,000
US Cinema 1, 2, 3 Term Loan [Member]
Related Party Transaction [Line Items]
Contractual facility		$ 15,000,000	$ 15,000,000				$ 20,000,000	[5]	15,000,000	[6]
Sutton Hill Capital, LLC [Member]
Related Party Transaction [Line Items]
Noncontrolling interests							25.00%
Sutton Hill Capital, LLC [Member] | US Cinema 1, 2, 3 Term Loan [Member]
Related Party Transaction [Line Items]
Contractual facility		$ 15,000,000
Shadow View Land And Farming, LLC [Member]
Related Party Transaction [Line Items]
Noncontrolling interests							50.00%
Cinemas 1, 2, 3 [Member]
Related Party Transaction [Line Items]
Management fee									177,000		153,000		$ 118,000
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 term							10 years
Lease expiration date							Jun. 30, 2020
Purchase option							$ 5,900,000
Total operating property							4,700,000
Current capital lease liability							5,900,000
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's Interest In Sutton Hill Properties [Member]
Related Party Transaction [Line Items]
Special purpose entity purchase option, percentage							25.00%
OBI Management [Member]
Related Party Transaction [Line Items]
Estimated related party expense							$ 79,000		589,000		397,000
Historical related party fees paid as percentage of cash flow received from certain theaters							21.00%
Executive Vice-President, Margaret Cotter [Member]
Related Party Transaction [Line Items]
Annual base salary				$ 350,000
Executive Vice-President, Margaret Cotter [Member] | Restricted Stock [Member] | 2010 Stock Incentive Plan [Member]
Related Party Transaction [Line Items]
Shares granted				4,184
Vesting period of stock options and RSU							4 years
Executive Vice-President, Margaret Cotter [Member] | Class A [Member]
Related Party Transaction [Line Items]
Shares granted				19,921
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
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							$ 150,000		$ 151,000		$ 123,000
Minimum [Member]
Related Party Transaction [Line Items]
Lease term							1 year
Vesting period of stock options and RSU							0 years
Minimum [Member] | Sutton Hill Capital, LLC [Member]
Related Party Transaction [Line Items]
Purchase option							$ 100,000

[1] Certain 2015 balances have been reclassified to conform to the 2016 presentation (see Note 2 - Summary of Significant Accounting Policies - Reclassifications).

[2] Certain 2015 balances included the restatement impact as a result of a change in accounting principle (see Note 2 - Summary of Significant Accounting Policies - Accounting Changes).

[3] Represents the lease liability of the option associated with the ground lease purchase of the Village East Cinema. See below for more information.

[4] Certain 2015 and 2014 balances included the restatement impact as a result of a change in accounting principle (see Note 2 - Summary of Significant Accounting Policies - Accounting Changes).

[5] The loan for our Minetta & Orpheum Theatres was obtained from Santander Bank. The term loan for our Cinema 1,2,3 Theatre, which was previously provided by Santander Bank, was refinanced during the third quarter of 2016 with Valley National Bank. The new term loan, which is collateralized by our new U.S Corporate Headquarters office building purchased in April 2016, was obtained with Citizens Asset Finance, Inc. during the fourth quarter of 2016. Refer below for further discussions on these new loan arrangements.

[6] In 2015, the loans for our Cinema 1,2,3 and Minetta & Orpheum Theatres were obtained from Bank of Santander, while the Union Square line of credit was obtained through East West Bank.