Debt (Cinemas 1, 2, 3 Term Loan) (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Aug. 31, 2016	Mar. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Contractual facility		$ 268,944	$ 266,134
US Cinema 1, 2, 3 Term Loan [Member]
Debt Instrument [Line Items]
Contractual facility		$ 19,800	$ 19,901	[1]
Maturity date		Sep. 01, 2019	Sep. 01, 2019	[1]
US Cinema 1, 2, 3 Term Loan [Member] | Sutton Hill Properties LLC [Member]
Debt Instrument [Line Items]
Ownership percentage by parent		75.00%
Contractual facility	$ 15,000
Maturity date		Sep. 01, 2019
Interest rate		3.25%
Line of credit facility, maximum borrowing capacity		$ 20,000

[1] The loan for our Minetta & Orpheum Theatres was obtained from Santander Bank. The term loan for our Cinema 1,2,3 Theatre was refinanced during the third quarter of 2016 with Valley National Bank. The term loan, which is collateralized by our new U.S Corporate Headquarters office building, was obtained with Citizens Asset Finance, Inc. during the fourth quarter of 2016. In December 2016, we successfully negotiated the construction financing for our Union Square redevelopment project, $8.0 million of which was advanced from the total construction loan limit of $57.5 million.