Summary of Significant Accounting Policies - Schedule of Property and Equipment Useful lives (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2022 USD ($)
Aircraft [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Useful Life	7 years
Current Residual Value	$ 50
Rotable Parts [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Useful Life	7 years
Current Residual Value, percent	10.00%
Spare Engines [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Useful Life	7 years
Current Residual Value	$ 25
Ground Equipment [Member]
Property, Plant and Equipment [Line Items]
Current Residual Value, percent	0.00%
Property Plant And Equipment Useful Life	up to 10 years
Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Current Residual Value, percent	0.00%
Property Plant And Equipment Useful Life	up to 10 years
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Current Residual Value, percent	0.00%
Property Plant And Equipment Useful Life	Shorter of asset or lease life