v3.26.1
Borrowings - Financial borrowings (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Borrowings      
Borrowing $ 1,095,218 $ 1,158,071 $ 1,333,237
Bank and financial borrowings      
Borrowings      
Borrowing $ 303,300 $ 282,900  
Bank and financial borrowings | Inframerica Concessionaria do Aeroporto de Brasilia | December 2033      
Borrowings      
Borrowings, interest rate basis TJLP plus spread TJLP plus spread  
Borrowing $ 168,000 $ 157,700  
Bank and financial borrowings | Terminal Aeroportuaria Guayaquil S.A. ("TAGSA") | February 2026      
Borrowings      
Borrowings, interest rate basis   T.R.E. plus spread  
Borrowing   $ 2,400  
Bank and financial borrowings | Terminal Aeroportuaria Guayaquil S.A. ("TAGSA") | December 2025      
Borrowings      
Borrowings, interest rate basis   T.R.E. plus spread  
Borrowing   $ 1,800  
Bank and financial borrowings | URUGUAY | February 2026      
Borrowings      
Borrowings, interest rate 4.30% 4.30%  
Borrowing $ 100 $ 300  
Bank and financial borrowings | URUGUAY | November 2027      
Borrowings      
Borrowings, interest rate 5.37% 5.37%  
Borrowing $ 500 $ 700  
Bank and financial borrowings | URUGUAY | January 2028      
Borrowings      
Borrowings, interest rate 5.37% 5.37%  
Borrowing $ 500 $ 800  
Bank and financial borrowings | URUGUAY | October 2033      
Borrowings      
Borrowings, interest rate 4.30%    
Borrowing $ 6,700    
Bank and financial borrowings | Toscana Aeroporti S.p.A. | June 2030      
Borrowings      
Borrowings, interest rate basis Euribor plus spread Euribor plus spread  
Borrowing $ 114,500 $ 90,700  
Bank and financial borrowings | AA2000 | October 2025      
Borrowings      
Borrowings, interest rate basis   SOFR plus spread  
Borrowing   $ 10,200  
Bank and financial borrowings | Consorcio Aeropuertos Internacionales S.A. | April 2027      
Borrowings      
Borrowings, interest rate 5.10% 5.10%  
Borrowing $ 2,400 $ 3,900  
Bank and financial borrowings | Consorcio Aeropuertos Internacionales S.A. | April 2027      
Borrowings      
Borrowings, interest rate 3.80% 3.80%  
Borrowing $ 2,400 $ 3,900  
Bank and financial borrowings | Consorcio Aeropuertos Internacionales S.A. | April 2029      
Borrowings      
Borrowings, interest rate basis SOFR plus spread SOFR plus spread  
Borrowing $ 3,700 $ 4,000  
Bank and financial borrowings | Puerta del Sur S.A. | March 2028      
Borrowings      
Borrowings, interest rate 4.95% 5.15%  
Borrowing $ 4,500 $ 6,500