Debt (Cinemas 1, 2, 3 Term Loan And Line Of Credit) (Narrative) (Details) - USD ($) $ in Thousands				9 Months Ended		12 Months Ended
	Aug. 31, 2016	Jun. 27, 2016	Jun. 26, 2016	Sep. 30, 2016		Dec. 31, 2015		Jul. 01, 2016
Debt Instrument [Line Items]
Contractual facility				$ 210,849		$ 207,075
US Cinema 1, 2, 3 Term Loan [Member]
Debt Instrument [Line Items]
Contractual facility				$ 20,000	[1]	$ 15,000	[2]
Maturity date				Sep. 01, 2019	[1]	Jul. 01, 2016	[2]
US Cinema 1, 2, 3 Term Loan [Member] | Sutton Hill Capital, LLC [Member]
Debt Instrument [Line Items]
Ownership percentage by parent				75.00%
Contractual facility	$ 15,000	$ 15,000
Maturity date		Oct. 01, 2016	Jul. 01, 2016	Sep. 01, 2019
Interest rate				3.25%
Line of credit facility, maximum borrowing capacity				$ 20,000				$ 6,000

[1] The loan for our Minetta & Orpheum Theatres was obtained from Santander Bank. The Union Square line of credit was obtained through East West Bank. We are currently in the process of negotiating a construction loan for our Union Square property that will pay-off this loan with East West 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. Refer below for further discussion.

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