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Summary of Significant Accounting Policies (Details 5) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Accounting Policies [Abstract]        
Lease revenues and fees     $ 89,028,352 $ 58,439,865
Provision for doubtful accounts     25,075,156 16,563,888
Lease revenues and fees, net of lessor bad debt expense $ 22,267,261 $ 14,609,409 $ 63,953,196 $ 41,875,977