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Flight equipment subject to operating lease - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($) aircraft	Jun. 30, 2022 USD ($)	Aug. 04, 2022 aircraft
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items]
Number of aircraft under operating lease terminated		24
Number of aircraft under operating lease terminated remaining in Russia, removed from owned fleet		21
Subsequent Event
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items]
Number of aircraft under operating lease terminated remaining in Russia				21
Flight Equipment
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items]
Write-off of Russian fleet | $	$ 0	$ 791,000	$ 791,017

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Property, Plant, and Equipment, Number of Aircraft under Operating Lease Remaining in Russia, Removed from Owned Fleet

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
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