Property And Equipment, Net - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Property, Plant and Equipment [Line Items]
Property and equipment depreciation	$ 4.7	$ 2.3
Leasehold Improvements Aircraft Other \| Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	1 year
Leasehold Improvements Aircraft Other \| Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	10 years
Office and Ground Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	5 years
Computer Hardware and Software \| Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	3 years
Computer Hardware and Software \| Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	5 years
Property And Equipment Under Finance Leases \| Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	5 years
Property And Equipment Under Finance Leases \| Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	30 years
Rotable Parts
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	48 months
Airframe
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	6 years
Estimated salvage and residual value estimates	$ 2.8
Airframe \| Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	25 years
Engines
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	40 months
Estimated salvage and residual value estimates	$ 11.0