Represents additional warrants to be issued on each disbursement determined by specified quotient.

No definition available.

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- Definition

Approximate amount of secured loans to airline industry under Coronavirus Aid, Relief, and Economic Security Act.

+ References

No definition available.

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- Definition

Percentage of increase in principal with each additional disbursement of grant.

+ References

No definition available.

+ Details

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- Definition

Represents the number of days for voluntary prepayments of amounts due under the Promissory Note without penalty or premium.

+ References

No definition available.

+ Details

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- Definition

The percentage of grants received during the period.

+ References

No definition available.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
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-Paragraph 1
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Period Type:	instant

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Face (par) amount of debt instrument at time of issuance.

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-Name Accounting Standards Codification
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The average effective interest rate during the reporting period.

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- References

No definition available.

+ Details

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- Definition

Carrying amount as of the balance sheet date of amounts due under the terms of governmental, corporate, or foundation grants.

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Balance Type:	debit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- References

No definition available.

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Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions	Apr. 24, 2020	Apr. 23, 2020	Jan. 22, 2019	Mar. 31, 2020
Subsequent Event [Line Items]
Maximum borrowing capacity				$ 75.0
Promissory Note
Interest rate (as a percent)			6.85%
Subsequent event \| Maximum
Subsequent Event [Line Items]
CARES Act, secured loans to airline industry	$ 25,000.0
PSP agreement \| Subsequent event
Subsequent Event [Line Items]
Grants receivable		$ 438.0
Grants Received Percentage		50.00%
PSP agreement \| Subsequent event \| Warrant Shares
Warrants and Rights Note Disclosure [Abstract]
Warrants to purchase shares		357,317
Warrants exercise price		$ 28.38
PSP agreement \| Subsequent event \| Common stock warrants
Warrants and Rights Note Disclosure [Abstract]
Warrants to purchase shares		125,804
Quotient percentage for additional warrants to be issued		0.1
PSP agreement \| Subsequent event \| Promissory note
Promissory Note
Principal amount		$ 35.7
Increase in principal amount (Percentage)		30.00%
Represents the number of days for voluntary prepayments of amounts due under the Promissory Note without penalty or premium.		30 days
PSP agreement \| Subsequent event \| Promissory note \| Maximum
Promissory Note
Principal amount		$ 101.4
PSP agreement \| Subsequent event \| Direct grant \| Maximum
Promissory Note
Principal amount		$ 336.6
PSP agreement \| Subsequent event \| Until the fifth anniversary of the Closing Date \| Promissory note
Promissory Note
Interest rate (as a percent)		1.00%
PSP agreement \| Subsequent event \| Thereafter until the tenth anniversary of the Closing Date \| Promissory note
Promissory Note
Interest rate (as a percent)		2.00%
PSP agreement \| Subsequent event \| Thereafter until the tenth anniversary of the Closing Date \| Promissory note \| Minimum
Promissory Note
Interest rate (as a percent)		0.00%
Loan Program \| Subsequent event
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 497.0