Commitments and Contingencies Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Long-term Purchase Commitment [Table Text Block]

Commitments, including $127,767 of progress payments, contractual price escalations and other adjustments for these aircraft, at June 30, 2017, net of amounts already paid, are as follows:

Year Ending December 31,	Amount
Remainder of 2017	$	374,699
2018	143,855
2019	361,746
2020	277,819
2021	138,278
Thereafter	—
Total	$	1,296,397