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Promotional Allowances (Schedule Of Promotional Allowances) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Promotional Allowances [Line Items]          
Total promotional allowances $ 258 $ 279 $ 523 $ 532  
Outstanding Balance Of Promotional Allowance Liability 700   700   $ 700
Hotel [Member]          
Promotional Allowances [Line Items]          
Total promotional allowances 13 19 29 35  
Food And Beverage [Member]          
Promotional Allowances [Line Items]          
Total promotional allowances $ 245 $ 260 $ 494 $ 497