XML 167 R149.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Subsequent Events (Details Textual) - Subsequent Events [Member] - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Feb. 21, 2018
Statement of events after reporting period [Line Items] |  |
Dividend payables |  | $ 15,180
Dividend Payable Per Share |  | $ 0.385
Amount Of Variable Compensation | $ 5,500 |

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- Definition It represent the value of variable compensation. + References No definition available. + Details
Name: | blx_AmountOfVariableCompensation
Namespace Prefix: | blx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The dividend per share declared but not yet paid. + References No definition available. + Details
Name: | blx_DividendPayablePerShare
Namespace Prefix: | blx_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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

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- Definition The amount of dividends that the company has declared but not yet paid. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DividendPayables
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=blx_SubsequentEventsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |