Organization and Summary of Significant Accounting Policies (Disaggregation of Operating Revenues) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Revenue	$ 8,309	$ 8,841	$ 4,811	$ 13,227	$ 14,306	$ 14,666	$ 16,177	$ 15,903	$ 35,188	$ 61,052	$ 65,057
Rooms [Member]
Disaggregation of Revenue [Line Items]
Revenue									33,276	58,353	62,036
Food and Beverage [Member]
Disaggregation of Revenue [Line Items]
Revenue									684	1,370	1,524
Other [Member]
Disaggregation of Revenue [Line Items]
Revenue									$ 1,228	$ 1,329	$ 1,497