Significant Accounting Policies (Schedule Of Promotional Allowances) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Total promotional allowances	$ 1,208	$ 1,164	$ 1,096
Hotel [Member]
Total promotional allowances	49	47	49
Food And Beverage [Member]
Total promotional allowances	$ 1,159	$ 1,117	$ 1,047