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Commitments and Contingencies - Firm Commitments and Options to Purchase Aircraft (Details)	Sep. 30, 2022 commitment
Airbus A321XLR
Long-term Purchase Commitment [Line Items]
Number of Firm Commitments	50
Scheduled Aircraft Deliveries
Last Three Months of 2022	0
2023	0
After 2023	50
Airbus A321neo
Long-term Purchase Commitment [Line Items]
Number of Firm Commitments	70
Scheduled Aircraft Deliveries
Last Three Months of 2022	0
2023	12
After 2023	58
Airbus A350
Long-term Purchase Commitment [Line Items]
Number of Firm Commitments	45
Scheduled Aircraft Deliveries
Last Three Months of 2022	0
2023	0
After 2023	45
Boeing 737 MAX
Long-term Purchase Commitment [Line Items]
Number of Firm Commitments	353
Scheduled Aircraft Deliveries
Last Three Months of 2022	27
2023	121
After 2023	205
Boeing 787
Long-term Purchase Commitment [Line Items]
Number of Firm Commitments	7
Scheduled Aircraft Deliveries
Last Three Months of 2022	7
2023	0
After 2023	0

X

- Definition

Number Of Aircrafts Expected To Take Delivery [Abstract]

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- Definition

Number Of Aircrafts Expected To Take Delivery, Remainder Of Year

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- Definition

Number Of Aircrafts Expected To Take Delivery, Thereafter

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- Definition

Number Of Aircrafts Expected To Take Delivery, Year One

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The minimum number of units that must be purchased, in connection with an unconditional purchase obligation that has not been recognized for financial reporting purposes.

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Balance Type:
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- Details

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