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Leases (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Accounting Policies [Abstract]    
Gross lease billings and fees $ 128,870,481 $ 120,169,406
Provision for doubtful accounts (31,930,714) 34,838,046
Lease revenues and fees, net $ 96,939,767 $ 85,331,360