Debt (US Union Square Construction Financing) (Narrative) (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2017 USD ($) loan	Dec. 31, 2016 USD ($)
Debt Instrument [Line Items]
Contractual facility	$ 268,944	$ 266,134
US Union Square Construction [Member]
Debt Instrument [Line Items]
Contractual facility	57,500	$ 57,500	[1]
Advanced to Date	8,000
Facility Limit	57,500
US Union Square Construction [Member] | Bank Of The Ozarks [Member]
Debt Instrument [Line Items]
Contractual facility	$ 50,000
Number of loan tranches | loan	3
US Union Square Construction [Member] | Bank Of The Ozarks [Member] | Senior Loan [Member]
Debt Instrument [Line Items]
Advanced to Date	$ 8,000
Facility Limit	8,000
US Union Square Construction [Member] | Tammany Mezz Investor, LLC [Member] | Mezzanine Loan [Member]
Debt Instrument [Line Items]
Contractual facility	7,500
Facility Limit	$ 7,500

[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.