Property And Equipment (Construction-In-Progress Balance) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($)
Property, Plant and Equipment [Line Items]
Balance	$ 5,484
Balance	10,430
Capitalized interest	900
Operating And Investing Properties [Member]
Property, Plant and Equipment [Line Items]
Balance	93,162
Additions during the period	10,337	[1]
Completed during the period	(850)
Foreign currency translation	(1,054)
Balance	101,595
Operating And Investing Properties [Member] | Union Square Development [Member]
Property, Plant and Equipment [Line Items]
Balance	81,934
Additions during the period	4,075	[1]
Completed during the period
Foreign currency translation
Balance	86,009
Operating And Investing Properties [Member] | Courtenay Central Development [Member]
Property, Plant and Equipment [Line Items]
Balance	6,364
Additions during the period	345	[1]
Completed during the period
Foreign currency translation	(762)
Balance	5,947
Operating And Investing Properties [Member] | Cinema Developments And Improvements [Member]
Property, Plant and Equipment [Line Items]
Balance	3,032
Additions during the period	5,426	[1]
Completed during the period	(616)
Foreign currency translation	(111)
Balance	7,731
Operating And Investing Properties [Member] | Other Real Estate Projects [Member]
Property, Plant and Equipment [Line Items]
Balance	1,832
Additions during the period	491	[1]
Completed during the period	(234)
Foreign currency translation	(181)
Balance	$ 1,908

[1] Includes capitalized interest of $0.9 million for the quarter ended March 31, 2020.