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Bank loans: Syndicated loan (Details) $ in Thousands | Dec. 31, 2020 COP ($) | Dec. 31, 2020 MXN ($) | Dec. 31, 2019 MXN ($)
--- | --- | --- | ---
Bank loans: |  |  |
Borrowings | $ 440,000,000 | $ 13,900,346 | $ 13,712,893
Bancolombia |  |  |
Bank loans: |  |  |
Borrowings | 150,000,000 |  |
CorpBanca Columbia |  |  |
Bank loans: |  |  |
Borrowings | 102,000,000 |  |
Banco AV Villas |  |  |
Bank loans: |  |  |
Borrowings | 8,000,000 |  |
Banco Davivienda |  |  |
Bank loans: |  |  |
Borrowings | 90,000,000 |  |
Banco de Bogota |  |  |
Bank loans: |  |  |
Borrowings | 37,000,000 |  |
Banco de Occidente |  |  |
Bank loans: |  |  |
Borrowings | 37,000,000 |  |
Banco Popular |  |  |
Bank loans: |  |  |
Borrowings | 8,000,000 |  |
Servicios Financieros |  |  |
Bank loans: |  |  |
Borrowings | $ 8,000,000 |  |

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