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Fair value measurements - Loss gain from financial instruments (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Fair value measurements      
Loss from derivatives financial instruments recognized in consolidated statements of operations $ (161) $ (688) $ (58,261)
Net (loss) gain on cash flow hedges recognized in consolidated statements of comprehensive income 336 957 [1] (8,207) [1]
Reclassification amount 109,000 109,000  
Fair value      
Fair value measurements      
Net (loss) gain on cash flow hedges recognized in consolidated statements of comprehensive income 336 80,033 (88,031)
Jet fuel Asian call options contracts | Fair value      
Fair value measurements      
Net (loss) gain on cash flow hedges recognized in consolidated statements of comprehensive income   601 (601)
Jet fuel Zero cost collars | Fair value      
Fair value measurements      
Net (loss) gain on cash flow hedges recognized in consolidated statements of comprehensive income   484 (7,572)
Interest rate Cap | Fair value      
Fair value measurements      
Net (loss) gain on cash flow hedges recognized in consolidated statements of comprehensive income 336 (128) (34)
Non derivative financial instruments | Fair value      
Fair value measurements      
Net (loss) gain on cash flow hedges recognized in consolidated statements of comprehensive income   79,076 (79,824)
Fuel cost | Jet fuel Asian call options contracts      
Fair value measurements      
Loss from derivatives financial instruments recognized in consolidated statements of operations   (619) (931)
Fuel cost | Jet fuel Zero cost collars      
Fair value measurements      
Loss from derivatives financial instruments recognized in consolidated statements of operations     (38,122)
Finance cost | Jet fuel Asian call options contracts      
Fair value measurements      
Loss from derivatives financial instruments recognized in consolidated statements of operations     (557)
Finance cost | Jet fuel Zero cost collars      
Fair value measurements      
Loss from derivatives financial instruments recognized in consolidated statements of operations     (18,573)
Finance cost | Interest rate Cap      
Fair value measurements      
Loss from derivatives financial instruments recognized in consolidated statements of operations $ (161) $ (69) $ (78)
[1] The comparative Consolidated financial statements have been re-presented from Mexican peso to U.S. dollar to reflect the Company’s change in presentation currency.