Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482130/360-10-45-4

Name:	us-gaap_AssetImpairmentCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Asset impairment (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
Asset impairment (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Finite-Lived Intangible Assets [Line Items]
Asset impairment	$ 2,098	$ 11,803		$ 36,433	$ 14,228
Net (recoveries) charges related to Ukraine Conflict			$ 2,700,000
(Recoveries) write-offs and impairments of flight equipment
Finite-Lived Intangible Assets [Line Items]
Net (recoveries) charges related to Ukraine Conflict			$ 3,200,000