Promotional Allowances (Schedule Of Promotional Allowances) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Promotional Allowances [Line Items]
Total promotional allowances	$ 329	$ 320	$ 893	$ 842
Outstanding Balance Of Promotional Allowance Liability	700		700		$ 700
Hotel [Member]
Promotional Allowances [Line Items]
Total promotional allowances	11	9	36	37
Food And Beverage [Member]
Promotional Allowances [Line Items]
Total promotional allowances	$ 318	$ 311	$ 857	$ 805