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Organization and Summary of Significant Accounting Policies (Disaggregation of Operating Revenues) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Disaggregation of Revenue [Line Items]        
Revenue $ 8,841 $ 14,666 $ 26,879 $ 46,746
Rooms [Member]        
Disaggregation of Revenue [Line Items]        
Revenue 8,385 13,798 25,400 44,413
Food and Beverage [Member]        
Disaggregation of Revenue [Line Items]        
Revenue 105 318 569 1,073
Other [Member]        
Disaggregation of Revenue [Line Items]        
Revenue $ 351 $ 550 $ 910 $ 1,260