Goodwill And Intangible Assets (Summary Of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Goodwill [Line Items]
Beginning balance	$ 25,504	$ 26,758
Foreign currency translation adjustment	31	(1,254)
Ending balance	25,535	25,504
Cinema [Member]
Goodwill [Line Items]
Beginning balance	20,280	21,534
Foreign currency translation adjustment	31	(1,254)
Ending balance	20,311	20,280
Real Estate [Member]
Goodwill [Line Items]
Beginning balance	5,224	5,224
Ending balance	$ 5,224	$ 5,224