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Borrowings and debt (Details 2) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
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Disclosure of short term borrowings Terms [Line Items] |  |
long-term borrowings and debt | $ 1,143,055 | $ 1,781,871
2018 Payments [member] |  |
Disclosure of short term borrowings Terms [Line Items] |  |
long-term borrowings and debt | 139,070 |
2019 Payments [member] |  |
Disclosure of short term borrowings Terms [Line Items] |  |
long-term borrowings and debt | 357,434 |
2021 Payments [member] |  |
Disclosure of short term borrowings Terms [Line Items] |  |
long-term borrowings and debt | 200,731 |
2024 Payments [member] |  |
Disclosure of short term borrowings Terms [Line Items] |  |
long-term borrowings and debt | 60,178 |
2020 Payments [member] |  |
Disclosure of short term borrowings Terms [Line Items] |  |
long-term borrowings and debt | 375,592 |
2022 Payments [member] |  |
Disclosure of short term borrowings Terms [Line Items] |  |
long-term borrowings and debt | $ 10,050 |

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- Definition The amount of long term borrowings and debt after adjusting prepaid commission. + References No definition available. + Details
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- Details
Name: | ifrs-full_MaturityAxis=blx_LaterThanTwoYearsMember
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- Details
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- Details
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