Concentration of Risk - Narrative (Details)	12 Months Ended
	Dec. 31, 2021 country leased_aircraft	Dec. 31, 2020 leased_aircraft country
Risks and Uncertainties [Abstract]
Number of aircraft leased | leased_aircraft	118	112
Number of countries | country	60	60
Minimum percentage of aircraft operated internationally based on net book value	95.00%