Goodwill And Intangible Assets (Summary Of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Line Items]
Beginning balance	$ 26,758	$ 28,116
Foreign currency translation adjustment	(1,254)	(1,358)
Ending balance	25,504	26,758
Cinema [Member]
Goodwill [Line Items]
Beginning balance	21,534	22,892
Foreign currency translation adjustment	(1,254)	(1,358)
Ending balance	20,280	21,534
Real Estate [Member]
Goodwill [Line Items]
Beginning balance	5,224	5,224
Ending balance	$ 5,224	$ 5,224