Commitments and Contingencies (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) aircraft item	Dec. 31, 2019 USD ($)
Commitments for the acquisition of the aircraft and other equipment
2020 | $	$ 2,206,538
2021 | $	4,900,832
2022 | $	6,519,111
2023 | $	6,171,228
2024 | $	4,456,237
Thereafter | $	2,542,133
Total | $	$ 26,796,079
Aircrafts
Commitments to acquire aircraft
2020	26
2021	64
2022	79
2023	98
2024	77
Thereafter	55
Total	399
Commitments for the acquisition of the aircraft and other equipment
Deposit Assets | $	$ 1,600,000	$ 1,600,000
Airbus A220-300
Commitments to acquire aircraft
2022	8
2023	13
2024	10
Thereafter	19
Total	50
Number of purchase agreement options | item	25
Airbus A320/321neo
Commitments to acquire aircraft
2020	13
2021	24
2022	26
2023	26
2024	29
Thereafter	36
Total	154
Number of long-range variants | item	47
Number of extra long-range variants | item	29
Airbus A330-900neo
Commitments to acquire aircraft
2021	3
2022	7
2023	5
Total	15
Airbus A350-900/1000
Commitments to acquire aircraft
2020	3
2021	3
2022	6
2023	2
2024	6
Total	20
Boeing 737-7/8/9 MAX
Commitments to acquire aircraft
2020	2
2021	28
2022	24
2023	42
2024	30
Total	126
Boeing 787-9/10
Commitments to acquire aircraft
2020	8
2021	6
2022	8
2023	10
2024	2
Total	34