Subsequent Event	9 Months Ended
Sep. 30, 2018
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On October 23, 2018, the Company entered into a revolving credit facility for up to $160 million secured by the collateral assignment of certain of the Company's rights under the Company's purchase agreement with Airbus, related to 43 Airbus A320neo aircraft scheduled to be delivered between August 2019 and December 2021. The Company intends to use any proceeds for working capital, capital expenditures and other general corporate purposes. The final maturity of the facility is December 30, 2020. As of October 24, 2018, no amounts have been drawn. Any drawdowns on the facility are subject to certain terms and conditions.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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