v3.26.1
Borrowings - Notes to borrowings (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Jul. 29, 2022
Nov. 12, 2021
Nov. 04, 2021
Oct. 28, 2021
Borrowings              
Outstanding $ 1,095,218 $ 1,158,071 $ 1,333,237        
Notes              
Borrowings              
Outstanding 774,800 860,100          
Aeropuertos Argentina 2000 S.A.("AA2000")              
Borrowings              
Outstanding       $ 10,000      
Aeropuertos Argentina 2000 S.A.("AA2000") | Series 2021 notes, interest rate 8.5%              
Borrowings              
Interest rate             8.50%
Outstanding             $ 208,900
Aeropuertos Argentina 2000 S.A.("AA2000") | Class 4 Notes, fixed 9.500%, matures in 2028              
Borrowings              
Outstanding           $ 62,000  
ACI              
Borrowings              
Outstanding         $ 8,500    
ACI | Senior secured guarantee notes, fixed 6.875%, matures in 2034              
Borrowings              
Nominal value $ 246,200 $ 246,200          
Interest rate 6.875% 6.875%          
Outstanding $ 232,000 $ 237,200          
ACI | Senior secured guarantee notes, fixed 6.875%, matures in 2032              
Borrowings              
Nominal value $ 14,600 $ 14,600          
Interest rate 6.875% 6.875%          
Outstanding $ 9,300 $ 10,400          
AA2000 | Senior secured guarantee notes, fixed 6.875%, matures in 2027              
Borrowings              
Nominal value $ 212,300 $ 212,300          
Interest rate 6.875% 6.875%          
Outstanding $ 20,900 $ 44,500          
AA2000 | Senior secured guarantee notes, fixed 8.500%, matures in 2031              
Borrowings              
Nominal value $ 208,900 $ 208,900          
Interest rate 8.50% 8.50%          
Outstanding $ 209,500 $ 209,100          
AA2000 | Class 1 Series 2021 Notes, fixed 8.500%, matures in 2031              
Borrowings              
Nominal value $ 64,000 $ 64,000          
Interest rate 8.50% 8.50%          
Outstanding $ 62,300 $ 61,700          
AA2000 | Class 4 Notes, fixed 9.500%, matures in 2028              
Borrowings              
Nominal value $ 62,000 $ 62,000          
Interest rate 9.50% 9.50%          
Outstanding $ 50,700 $ 61,400          
AA2000 | Class 5 Notes, fixed 5.500%, matures in 2032              
Borrowings              
Nominal value $ 138,000 $ 138,000          
Interest rate 5.50% 5.50%          
Outstanding $ 138,500 $ 138,400          
AA2000 | Class 6 Notes, fixed 2.000%, matures in 2025              
Borrowings              
Nominal value   $ 36,000          
Interest rate   2.00%          
Outstanding   $ 27,200          
AA2000 | Class 11 Notes, Fixed 5.500 Percent, Matures in December 2026              
Borrowings              
Nominal value $ 28,800 $ 28,800          
Interest rate 5.50% 5.50%          
Outstanding $ 28,700 $ 28,600          
AA2000 | Class 9 Notes, Fixed 0.000 Percent, Matures in 2026              
Borrowings              
Nominal value $ 30,000 $ 30,000          
Interest rate 0.00% 0.00%          
Outstanding $ 22,900 $ 23,100          
AA2000 | Class 10 Notes, Fixed 0.000 Percent, Matures in 2025              
Borrowings              
Nominal value   $ 25,000          
Interest rate   0.00%          
Outstanding   $ 18,500