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Investment in Unconsolidated Entity (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]            
Carrying value of the investment in OpenKey $ 1,578,000   $ 1,578,000   $ 1,708,000  
Equity in earnings (loss) of unconsolidated entity $ (66,000) $ (40,000) $ (130,000) $ (80,000)    
OpenKey            
Schedule of Equity Method Investments [Line Items]            
Ownership interest in OpenKey (as a percent) 7.80%   7.80%   8.20% 8.20%
Aggregate equity method investments $ 2,400,000   $ 2,400,000      
Impairment 0 $ 0 0 $ 0    
Carrying value of the investment in OpenKey $ 1,578,000   $ 1,578,000   $ 1,708,000