Revenue Recognition (Schedule Of Breakout Of The Company's Derived Revenue And Other Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenue Recognition [Abstract]
Revenue from contracts with customers	$ 388,506	$ 304,268	$ 218,227
Interest income	174	6	21
Cost recovery income	655	158	417
Dividend income			18
Century Casino Calgary sale earn out revenue	51
Total revenue	$ 389,386	$ 304,432	$ 218,683