Commitments and Contingencies - Aircraft Acquisition (Details)	3 Months Ended
	Mar. 31, 2023 aircraft
Aircrafts
Long-term Purchase Commitment [Line Items]
2023	65
2024	82
2025	84
2026	65
2027	37
Thereafter	43
Total	376
Airbus A220-100/300
Long-term Purchase Commitment [Line Items]
2023	14
2024	23
2025	23
2026	12
2027	0
Thereafter	0
Total	72
Airbus A320/321neo
Long-term Purchase Commitment [Line Items]
2023	21
2024	20
2025	21
2026	35
2027	35
Thereafter	40
Total	172
Number of long-range variant aircraft	18
Number of extra long-range variant aircrafts	49
Airbus A330-900neo
Long-term Purchase Commitment [Line Items]
2023	5
2024	6
2025	0
2026	0
2027	0
Thereafter	0
Total	11
Airbus A350-900/1000
Long-term Purchase Commitment [Line Items]
2023	3
2024	3
2025	0
2026	0
2027	0
Thereafter	0
Total	6
Airbus A350F
Long-term Purchase Commitment [Line Items]
2023	0
2024	0
2025	0
2026	2
2027	2
Thereafter	3
Total	7
Boeing 737-8/9 MAX
Long-term Purchase Commitment [Line Items]
2023	17
2024	26
2025	30
2026	16
2027	0
Thereafter	0
Total	89
Boeing 787-9/10
Long-term Purchase Commitment [Line Items]
2023	5
2024	4
2025	10
2026	0
2027	0
Thereafter	0
Total	19