Concentration of Credit Risk (Details)	12 Months Ended
Dec. 31, 2018 USD ($) Customer	Dec. 31, 2017 USD ($) Customer
Concentration Risk, Receivables [Abstract]
Number of significant customers \| Customer	5	5
Payment received	$ 27,116,400	$ 35,553,800
Customer One [Member] \| Operating Lease Revenue [Member]
Concentration Risk, Receivables [Abstract]
Lease revenues and receivables from significant customers	30.00%	28.00%
Customer Two [Member] \| Operating Lease Revenue [Member]
Concentration Risk, Receivables [Abstract]
Lease revenues and receivables from significant customers	21.00%	20.00%
Customer Three [Member] \| Operating Lease Revenue [Member]
Concentration Risk, Receivables [Abstract]
Lease revenues and receivables from significant customers	15.00%	14.00%
Customer Four [Member] \| Operating Lease Revenue [Member]
Concentration Risk, Receivables [Abstract]
Lease revenues and receivables from significant customers	13.00%	11.00%
Customer Five [Member] \| Finance Lease Revenue [Member]
Concentration Risk, Receivables [Abstract]
Lease revenues and receivables from significant customers	67.00%	75.00%
Four Customers [Member]
Concentration Risk, Receivables [Abstract]
Receivables		$ 2,959,200
Four Customers [Member] \| Receivable [Member]
Concentration Risk, Receivables [Abstract]
Lease revenues and receivables from significant customers		77.00%
Three Customers [Member]
Concentration Risk, Receivables [Abstract]
Receivables	$ 3,413,500
Payment received	1,564,800
Three Customers [Member] \| Aircraft Held for Sale [Member]
Concentration Risk, Receivables [Abstract]
Receivables	$ 779,700
Three Customers [Member] \| Receivable [Member]
Concentration Risk, Receivables [Abstract]
Lease revenues and receivables from significant customers	87.00%

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Refers to the number of significant customers contributing for lease revenues.

+ References

No definition available.

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Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.

+ References

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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