Commitments and Contingencies - Aircraft Acquisition (Details)	6 Months Ended
	Jun. 30, 2022 aircraft
Aircrafts
Long-term Purchase Commitment [Line Items]
2022	45
2023	86
2024	96
2025	69
2026	65
Thereafter	69
Total	430
Airbus A220-100/300
Long-term Purchase Commitment [Line Items]
2022	4
2023	16
2024	24
2025	20
2026	12
Thereafter	0
Total	76
Airbus A320/321neo
Long-term Purchase Commitment [Line Items]
2022	17
2023	23
2024	23
2025	24
2026	35
Thereafter	64
Total	186
Number of long-range variant aircraft	26
Number of extra long-range variant aircrafts	49
Airbus A330-900neo
Long-term Purchase Commitment [Line Items]
2022	6
2023	6
2024	4
2025	0
2026	0
Thereafter	0
Total	16
Airbus A350-900/1000
Long-term Purchase Commitment [Line Items]
2022	1
2023	3
2024	3
2025	0
2026	0
Thereafter	0
Total	7
Airbus A350F
Long-term Purchase Commitment [Line Items]
2022	0
2023	0
2024	0
2025	0
2026	2
Thereafter	5
Total	7
Boeing 737-8/9 MAX
Long-term Purchase Commitment [Line Items]
2022	14
2023	31
2024	34
2025	19
2026	16
Thereafter	0
Total	114
Boeing 787-9/10
Long-term Purchase Commitment [Line Items]
2022	3
2023	7
2024	8
2025	6
2026	0
Thereafter	0
Total	24