Aircraft Lease Assets (Details 4)	9 Months Ended
	Sep. 30, 2020 USD ($)
Aircraft Lease Assets [Abstract]
Finance lease receivable allowance for doubtful accounts, beginning	$ 2,908,600
Deductions upon sale of assets	(735,200)
Deductions upon lease amendments	(2,173,400)
Additions charged to expense	1,170,000
Finance lease receivable allowance for doubtful accounts, ending	$ 1,170,000