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Expendable parts and supplies (Tables)
12 Months Ended
Dec. 31, 2025
Classes of current inventories [abstract]  
Disclosure of Expendable Parts and Supplies
20252024
Material for repair and maintenance$144,062 $127,364 
Other inventories4,167 5,079 
148,229 132,443 
Allowance for obsolescence(102)(102)
$148,127 $132,341