Rental Income - Lease terminations by Aircraft Type for Operating Lease Portfolio (Details)	12 Months Ended
	Dec. 31, 2021 aircraft
Lease Terminations by Aircraft Type [Line Items]
Number of aircrafts currently off lease	1
2022	21
2023	35
2024	26
2025	47
2026	39
Thereafter	213
Total	381
Airbus A319-100
Lease Terminations by Aircraft Type [Line Items]
2022	0
2023	0
2024	0
2025	1
2026	0
Thereafter	0
Total	1
Airbus A320-200
Lease Terminations by Aircraft Type [Line Items]
2022	9
2023	3
2024	6
2025	10
2026	1
Thereafter	1
Total	30
Airbus A320-200neo
Lease Terminations by Aircraft Type [Line Items]
2022	0
2023	0
2024	1
2025	0
2026	0
Thereafter	22
Total	23
Airbus A321-200
Lease Terminations by Aircraft Type [Line Items]
2022	2
2023	7
2024	1
2025	4
2026	9
Thereafter	3
Total	26
Airbus A321-200neo
Lease Terminations by Aircraft Type [Line Items]
2022	0
2023	0
2024	4
2025	0
2026	2
Thereafter	63
Total	69
Airbus A330-200
Lease Terminations by Aircraft Type [Line Items]
2022	1
2023	3
2024	3
2025	4
2026	0
Thereafter	2
Total	13
Airbus A330-300
Lease Terminations by Aircraft Type [Line Items]
2022	1
2023	2
2024	0
2025	1
2026	0
Thereafter	4
Total	8
Airbus A330-900neo
Lease Terminations by Aircraft Type [Line Items]
2022	0
2023	1
2024	0
2025	0
2026	0
Thereafter	8
Total	9
Airbus A350-900
Lease Terminations by Aircraft Type [Line Items]
2022	0
2023	0
2024	0
2025	0
2026	1
Thereafter	11
Total	12
Airbus A350-1000
Lease Terminations by Aircraft Type [Line Items]
2022	0
2023	0
2024	0
2025	0
2026	0
Thereafter	5
Total	5
Boeing 737-700
Lease Terminations by Aircraft Type [Line Items]
2022	0
2023	2
2024	2
2025	0
2026	0
Thereafter	0
Total	4
Boeing 737-800
Lease Terminations by Aircraft Type [Line Items]
2022	7
2023	15
2024	7
2025	18
2026	18
Thereafter	23
Total	88
Boeing 737-8 MAX
Lease Terminations by Aircraft Type [Line Items]
2022	0
2023	0
2024	1
2025	6
2026	0
Thereafter	21
Total	28
Boeing 737-9 MAX
Lease Terminations by Aircraft Type [Line Items]
2022	0
2023	0
2024	0
2025	0
2026	0
Thereafter	7
Total	7
Boeing 777-200ER
Lease Terminations by Aircraft Type [Line Items]
2022	0
2023	0
2024	0
2025	1
2026	0
Thereafter	0
Total	1
Boeing 777-300ER
Lease Terminations by Aircraft Type [Line Items]
2022	1
2023	2
2024	0
2025	2
2026	7
Thereafter	12
Total	24
Boeing 787-9
Lease Terminations by Aircraft Type [Line Items]
2022	0
2023	0
2024	0
2025	0
2026	1
Thereafter	25
Total	26
Boeing 787-10
Lease Terminations by Aircraft Type [Line Items]
2022	0
2023	0
2024	0
2025	0
2026	0
Thereafter	6
Total	6
Embraer E190
Lease Terminations by Aircraft Type [Line Items]
2022	0
2023	0
2024	1
2025	0
2026	0
Thereafter	0
Total	1