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Aircraft Lease Assets (Details 4) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Aircraft Lease Assets [Abstract]    
Allowance for doubtful accounts, beginning $ 0  
Additions charged to expense 2,908,600 $ 0
Allowance for doubtful accounts, ending $ 2,908,600 $ 0