Goodwill And Intangible Assets (Summary Of Goodwill) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2017 USD ($)
Goodwill [Line Items]
Beginning balance	$ 19,828	[1]
Foreign currency translation adjustment	610
Ending balance	20,438
Cinema [Member]
Goodwill [Line Items]
Beginning balance	14,604
Foreign currency translation adjustment	610
Ending balance	15,214
Real Estate [Member]
Goodwill [Line Items]
Beginning balance	5,224
Foreign currency translation adjustment
Ending balance	$ 5,224

[1] Certain 2016 balances have been reclassified to conform to the 2017 presentation (see Note 2 - Summary of Significant Accounting Policies - Reclassifications).