Commitments and Contingencies - Aircraft Purchase Commitments by Aircraft Type (Details) - Future aircraft purchase commitments
|
Dec. 31, 2019
numberOfAircraft
lease_commitments
|
| Future Purchase Commitments |
|
| Aircraft purchase commitments, minimum quantity required |
253
|
| A220-100 |
|
| Future Purchase Commitments |
|
| Aircraft purchase commitments, minimum quantity required |
17
|
| A220-300 |
|
| Future Purchase Commitments |
|
| Aircraft purchase commitments, minimum quantity required |
50
|
| A321-200 |
|
| Future Purchase Commitments |
|
| Aircraft purchase commitments, minimum quantity required |
31
|
| A321-200neo |
|
| Future Purchase Commitments |
|
| Aircraft purchase commitments, minimum quantity required |
100
|
| A330-900neo |
|
| Future Purchase Commitments |
|
| Aircraft purchase commitments, minimum quantity required |
33
|
| Number of lease commitments included in purchase commitment | lease_commitments |
2
|
| A350-900 |
|
| Future Purchase Commitments |
|
| Aircraft purchase commitments, minimum quantity required |
16
|
| CRJ-900 |
|
| Future Purchase Commitments |
|
| Aircraft purchase commitments, minimum quantity required |
6
|