XML 87 R70.htm IDEA: XBRL DOCUMENT
v3.21.1

Significant accounting policies (Details Textual) | Dec. 31, 2020
--- | ---
IFRS Statement [Line Items] |
Discount rate for present value of the cash flows | 10.00%
Stage 1 | Aaa to Ba1 | 1-4 |
IFRS Statement [Line Items] |
Percentage of credit loss rate | 0.09%
Stage 1 | Ba2 to B3 | 5-6 |
IFRS Statement [Line Items] |
Percentage of credit loss rate | 2.35%
Stage 1 | Caa1 to Caa3 | 7 |
IFRS Statement [Line Items] |
Percentage of credit loss rate | 7.90%
Stage 1 | Ca | 8 to 9 |
IFRS Statement [Line Items] |
Percentage of credit loss rate | 30.67%
Stage 1 | C | 10 |
IFRS Statement [Line Items] |
Percentage of credit loss rate | 100.00%

X
- Definition Line items represent financial concepts included in a table. + References No definition available. + Details
Name: | blx_IfrsStatementLineItems
Namespace Prefix: | blx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2020-01-01 -Paragraph 134 -Subparagraph d -Clause v -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_134_d_v&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2020-01-01 -Paragraph 134 -Subparagraph e -Clause v -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_134_e_v&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The rate of expected credit losses, calculated as percentage of the gross carrying amount. Expected credit losses are the weighted average of credit losses with the respective risks of a default occurring as the weights. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph IG20D -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_IG20D&doctype=Implementation%20Guidance -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph 35N -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_35N&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ExpectedCreditLossRate
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis=ifrs-full_TwelvemonthExpectedCreditLossesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ExternalCreditGradesAxis=blx_RatingAaaToBa1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_InternalCreditGradesAxis=blx_RatingOneToFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ExternalCreditGradesAxis=blx_RatingBaa2ToB3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_InternalCreditGradesAxis=blx_RatingFiveToSixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ExternalCreditGradesAxis=blx_RatingCaa1ToCaa3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_InternalCreditGradesAxis=blx_RatingSevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ExternalCreditGradesAxis=blx_RatingCaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_InternalCreditGradesAxis=blx_RatingEightToNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ExternalCreditGradesAxis=blx_RatingCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_InternalCreditGradesAxis=blx_RatingTenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |