Commitment and Contingencies - Long Term Purchase Commitments (Details) - aircraft	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022
Long-term Purchase Commitment [Line Items]
2022			114
2023			90
2024			86
2025			86
2026			70
2027			36
2028			30
2029			50
2030			60
2031			10
Total			632
-7 Firm Orders
Long-term Purchase Commitment [Line Items]
2022			14
2023			86
2024			30
2025			30
2026			15
2027			15
2028			15
2029			20
2030			15
2031			0
Total			240
-8 Firm Orders
Long-term Purchase Commitment [Line Items]
2022			95
2023			0
2024			0
2025			0
2026			15
2027			15
2028			15
2029			30
2030			45
2031			10
Total			225
Other Commitment, Number Of Aircrafts To Be Delivered			12
-8 Firm Orders | Forecast
Long-term Purchase Commitment [Line Items]
Other Commitment, Number Of Aircrafts To Be Delivered	31	23
-7 or -8 Options
Long-term Purchase Commitment [Line Items]
2022			5
2023			4
2024			56
2025			56
2026			40
2027			6
2028			0
2029			0
2030			0
2031			0
Total			167