Significant Accounting Policies (Schedule Of Promotional Allowances) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Total promotional allowances	$ 1,096	$ 1,063	$ 1,202
Hotel [Member]
Total promotional allowances	49	59	90
Food And Beverage [Member]
Total promotional allowances	$ 1,047	$ 1,004	$ 1,112