Annual report pursuant to Section 13 and 15(d)

Schedule III - Real Estate and Related Depreciation (Parenthetical) (Details)

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Schedule III - Real Estate and Related Depreciation (Parenthetical) (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Real Estate And Accumulated Depreciation [Line Items]    
Principal balance outstanding $ 19,338,556 $ 19,809,511
Line of credit, outstanding borrowings 4,914,000  
Revolving Line of Credit    
Real Estate And Accumulated Depreciation [Line Items]    
Line of credit, outstanding borrowings $ 4,914,000 $ 0