Goodwill And Intangible Assets (Summary Of Goodwill) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Goodwill [Line Items]
Beginning balance	$ 25,504
Foreign currency translation adjustment	(907)
Ending balance	24,597
Cinema [Member]
Goodwill [Line Items]
Beginning balance	20,280
Foreign currency translation adjustment	(907)
Ending balance	19,373
Real Estate [Member]
Goodwill [Line Items]
Beginning balance	5,224
Ending balance	$ 5,224