Promotional Allowances (Schedule Of Promotional Allowances) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Promotional Allowances [Line Items]
Total promotional allowances	$ 280	$ 264
Outstanding Balance Of Promotional Allowance Liability	700		$ 700
Hotel [Member]
Promotional Allowances [Line Items]
Total promotional allowances	12	16
Food And Beverage [Member]
Promotional Allowances [Line Items]
Total promotional allowances	$ 268	$ 248