Debt (Cinemas 1, 2, 3 Term Loan And Line Of Credit) (Narrative) (Details) - USD ($) $ in Thousands				12 Months Ended
	Aug. 31, 2016	Jun. 27, 2016	Jun. 26, 2016	Dec. 31, 2016		Dec. 31, 2015		Jul. 01, 2016
Debt Instrument [Line Items]
Contractual facility				$ 266,233		$ 207,075
Sutton Hill Capital, LLC [Member]
Debt Instrument [Line Items]
Ownership percentage by parent				75.00%
US Cinema 1, 2, 3 Term Loan [Member]
Debt Instrument [Line Items]
Ownership percentage by parent				75.00%
Contractual facility	$ 15,000	$ 15,000		$ 20,000	[1]	$ 15,000	[2]
Maturity date		Oct. 01, 2016	Jul. 01, 2016	Sep. 01, 2019	[1]	Jul. 01, 2016	[2]
Interest rate				3.25%
Line of credit facility, maximum borrowing capacity				$ 20,000				$ 6,000
US Cinema 1, 2, 3 Term Loan [Member] | Sutton Hill Capital, LLC [Member]
Debt Instrument [Line Items]
Contractual facility	$ 15,000

[1] 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.

[2] 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.