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Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2016
Subsequent Events [Abstract]
Subsequent Events	13. Subsequent Events In January 2017, the Company sold, pursuant to a sales-type finance lease, a turboprop aircraft that was off lease at December 31, 2016 and recorded a gain of $297,400. In February 2017, the Company signed a lease and received a deposit for one of its turboprop aircraft that was off lease at December 31, 2016 and expects to deliver the aircraft during the first quarter of 2017.