Annual report pursuant to Section 13 and 15(d)

Mortgages Receivable - Additional information (Details)

v3.20.1
Mortgages Receivable - Additional information (Details)
12 Months Ended
Mar. 29, 2019
Dec. 31, 2019
USD ($)
loan
Dec. 31, 2018
USD ($)
loan
Mortgage Loans on Real Estate, Default Interest Rate   18.00%  
Payments to Acquire Mortgage Receivable   $ 64,742,552 $ 42,078,191
Proceeds from Collection of Mortgages Receivable   43,347,362 24,641,469
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate   $ 94,348,689 $ 78,011,653
Mortgage loan portfolio number of loans   438 403
Mortgage loan portfolio number of loans in process of foreclosure | loan   9  
Mortgage Concentration Risk [Member]      
Concentration Risk, Percentage   10.00% 10.00%
Mortgages [Member]      
Debt term (in years) 10 years    
Payments to Acquire Mortgage Receivable   $ 64,742,552 $ 42,078,191
Minimum [Member]      
Debt term (in years)   1 year  
Mortgage Loans on Real Estate, Face Amount of Mortgages   $ 12,500  
Mortgage Loans on Real Estate, Interest Rate   5.00%  
Maximum [Member]      
Debt term (in years)   3 years  
Mortgage Loans on Real Estate, Face Amount of Mortgages   $ 1,982,784  
Mortgage Loans on Real Estate, Interest Rate   13.00%  
Nine Mortgage Loans [Member]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate   $ 2,600,000  
Mortgage loan portfolio number of loans in process of foreclosure | loan   9  
Thirteen Mortgage Loans [Member]      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate     $ 5,100,000
Mortgage loan portfolio number of loans in process of foreclosure | loan     13