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Summary of Significant Accounting Policies (Details)
12 Months Ended
Dec. 31, 2019
USD ($)
monthly_payment
extension
shares
Dec. 31, 2018
USD ($)
shares
Dec. 31, 2017
USD ($)
Jun. 30, 2020
Mar. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Restricted cash $ 26,078,000 $ 33,696,000      
Impairment of real estate assets 0 0      
Goodwill impairment 0 0 $ 0    
Net loss $ 5,995,000 $ 3,540,000      
Antidilutive securities (in shares) | shares 0 0      
Operating lease, monthly lease payment received $ 3,500        
Operating lease, number of monthly payments remaining | monthly_payment 9        
Remaining lease payments $ 31,500        
Buildings and Improvements | Minimum          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Useful life 5 years        
Buildings and Improvements | Maximum          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Useful life 39 years        
SPE Loan          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Number of extensions | extension 3        
Debt instrument, term, extension period 1 year        
Debt yield 13.29%        
SPE Loan | Forecast          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Debt covenant, minimum debt yield required       12.50%  
SPE Loan | Subsequent Event          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Debt yield         12.95%