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Summary of Significant Accounting Policies (Details 4) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Accounting Policies [Abstract]    
Lease billings and accruals $ 120,169,406 $ 82,458,661
Provision for doubtful accounts 34,838,046 23,239,189
Lease revenues and fees $ 85,331,360 $ 59,219,472