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Short and long-term documents: Additional information (Details) $ in Thousands, $ in Thousands |  |  |  | 1 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 22, 2023 | Oct. 20, 2022 | Mar. 22, 2013 MXN ($) | May 31, 2022 USD ($) | Dec. 31, 2023 MXN ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 MXN ($) | Dec. 31, 2022 USD ($) | May 31, 2022 MXN ($) | May 31, 2022 USD ($) | Jun. 24, 2015 MXN ($) | Jun. 24, 2015 USD ($) | Mar. 22, 2013 USD ($)
Long-term debt: |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of interest in subsidiary | 60.00% | 60.00% |  |  |  |  |  |  |  |  |  |  |
Debt coverage ratio |  |  |  |  | 2.4 | 2.4 | 1.7 | 1.7 |  |  |  |  |
Aerostar |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt: |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  | $ 4,471,000 |  |  |  |  |  |  |  |  |  | $ 350,000
Borrowings, interest rate |  |  |  |  |  |  |  |  |  |  | 6.75% | 6.75% |
Debt coverage ratio |  |  |  |  |  |  |  |  | 1.0 | 1.0 |  |  |
Senior secured notes due on March 22, 2035 |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt: |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  | $ 8,983,824 | $ 600,000 | $ 10,549,929 | $ 600,000 |  |  |  |  |
Borrowings, interest rate |  |  | 5.75% |  |  |  |  |  |  |  |  |  | 5.75%
Debt Instrument, Quoted Yield |  |  | 2.39% |  |  |  |  |  |  |  |  |  |
Spread Credit |  |  | 336 |  |  |  |  |  |  |  |  |  | 336
Senior secured notes due on March 22, 2035 | Aerostar |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt: |  |  |  |  |  |  |  |  |  |  |  |  |
Principal Amount With Modified Payment Terms |  |  |  | $ 50,000 |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  |  | $ 3,947,522 | $ 200,000 | $ 737,000 | $ 50,000 |
Debt Instrument, Quoted Yield |  |  |  | 4.92% |  |  |  |  |  |  |  |  |

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