XML 124 R107.htm IDEA: XBRL DOCUMENT
v3.21.1

Cash and due from banks - Breakdown of pledged deposits by country risk (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Interest-Bearing Deposits In Banks |  |
Short-term deposits, classified as cash equivalents | $ 859,481 | $ 1,170,092
Pledged deposits |  |
Other cash and cash equivalents | $ 17,804 | $ 18,452
Pledged Deposits Interest Rate Percentage | 0.09% | 1.55%
Time deposits [Member] |  |
Interest-Bearing Deposits In Banks |  |
Short-term deposits, classified as cash equivalents | $ 110,000 | $ 20,000
Deposit Interest Rate Percentage | 0.00% | 0.00%
Demand Deposit [Member] |  |
Interest-Bearing Deposits In Banks |  |
Short-term deposits, classified as cash equivalents | $ 749,481 | $ 1,150,092
Demand Deposit [Member] | Minimum |  |
Interest-Bearing Deposits In Banks |  |
Deposit Interest Rate Percentage | 0.03% | 1.55%
Demand Deposit [Member] | Maximum |  |
Interest-Bearing Deposits In Banks |  |
Deposit Interest Rate Percentage | 3.08% | 5.10%
NEW YORK |  |
Pledged deposits |  |
Other cash and cash equivalents | $ 10,000 | $ 3,500
NETHERLANDS |  |
Pledged deposits |  |
Other cash and cash equivalents | 334 |
SPAIN |  |
Pledged deposits |  |
Other cash and cash equivalents | 18 |
France |  |
Pledged deposits |  |
Other cash and cash equivalents | 50 | 1,770
Japan |  |
Pledged deposits |  |
Other cash and cash equivalents | 1,330 | 1,470
United Kingdom |  |
Pledged deposits |  |
Other cash and cash equivalents | 130 |
Switzerland |  |
Pledged deposits |  |
Other cash and cash equivalents | 3,027 | 9,567
United State of America |  |
Pledged deposits |  |
Other cash and cash equivalents | 11,515 | $ 5,645
Mexico |  |
Pledged deposits |  |
Other cash and cash equivalents | 790 |
Canada |  |
Pledged deposits |  |
Other cash and cash equivalents | $ 610 |

X
- Definition The percentage of interest relating to demand deposits + References No definition available. + Details
Name: | blx_DepositInterestRatePercentage
Namespace Prefix: | blx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | blx_InterestbearingDepositsInBanksAbstract
Namespace Prefix: | blx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | blx_PledgedDepositsAbstract
Namespace Prefix: | blx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of interest relating to pledged deposits + References No definition available. + Details
Name: | blx_PledgedDepositsInterestRatePercentage
Namespace Prefix: | blx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of cash and cash equivalents that the entity does not separately disclose in the same statement or note. [Refer: Cash and cash equivalents] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_45&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_OtherCashAndCashEquivalents
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition A classification of cash equivalents representing short-term deposits. [Refer: Cash equivalents] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_45&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ShorttermDepositsClassifiedAsCashEquivalents
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | blx_CashAndCashEquivalentAxis=blx_TimeDepositsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | blx_CashAndCashEquivalentAxis=blx_DemandDepositMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=stpr_NY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_NL
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_ES
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_FR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_JP
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_GB
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_CH
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_MX
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |