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Income Taxes (Narrative) (Details)
 12 Months Ended
Dec. 31, 2020
USD ($)
hotel
$ / shares
Dec. 31, 2019
USD ($)
hotel
$ / shares
Dec. 31, 2018
USD ($)
hotel
$ / shares
Dec. 31, 2017
USD ($)
Income Tax Examination [Line Items]        
Number of hotel properties | hotel 13 13 13  
Net book income before income taxes $ (27,000,000.0) $ 31,000,000.0 $ 16,400,000  
Income tax interest and penalties expense 7,000 27,000 18,000  
Income tax interest and penalties accrued 0 0    
Valuation allowance 14,938,000 11,581,000 14,483,000 $ 15,422,000
Net operating loss carryforwards 68,700,000      
Net operating loss carryforwards, subject to expiration 54,000,000.0      
Net operating loss carryforwards subject to substantial limitation on use 53,300,000      
Income tax benefit, net operating loss, CARES Act 3,400,000      
Virgin Islands Bureau of Internal Revenue | Foreign Tax Authority        
Income Tax Examination [Line Items]        
Tax holiday amount $ 0 $ 807,000 $ 40,000  
Benefit of the tax holiday on net income (loss) (in dollars per share) | $ / shares $ 0.00 $ 0.02 $ 0.00  
Leased by Wholly-Owned or Majority-Owned Taxable REIT Subsidiaries        
Income Tax Examination [Line Items]        
Number of hotel properties | hotel 12