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v2.4.1.9

Trading assets and liabilities (Detail 2) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Derivatives, Fair Value [Line Items] |  |
Derivative, Nominal Amount | $ 14,000 blx_DerivativeNotionalAmountHeldForTradingPurpose | $ 14,600 blx_DerivativeNotionalAmountHeldForTradingPurpose
Asset, Fair Value | 0 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral | 0 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
Liability, Fair Value | 52 us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral | 72 us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
Interest Rate Swap [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Nominal Amount | 14,000 blx_DerivativeNotionalAmountHeldForTradingPurpose / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_InterestRateSwapMember | 14,000 blx_DerivativeNotionalAmountHeldForTradingPurpose / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_InterestRateSwapMember
Asset, Fair Value | 0 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_InterestRateSwapMember | 0 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_InterestRateSwapMember
Liability, Fair Value | 52 us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_InterestRateSwapMember | 65 us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_InterestRateSwapMember
Cross Currency Interest Rate Swap [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative, Nominal Amount | 0 blx_DerivativeNotionalAmountHeldForTradingPurpose / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = blx_CrossCurrencyInterestRateSwapMember | 600 blx_DerivativeNotionalAmountHeldForTradingPurpose / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = blx_CrossCurrencyInterestRateSwapMember
Asset, Fair Value | 0 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = blx_CrossCurrencyInterestRateSwapMember | 0 us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = blx_CrossCurrencyInterestRateSwapMember
Liability, Fair Value | $ 0 us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = blx_CrossCurrencyInterestRateSwapMember | $ 7 us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = blx_CrossCurrencyInterestRateSwapMember

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- Definition Derivative notional amount held for trading purpose. + References No definition available. + Details
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Balance Type: | credit
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- Definition Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226008-175313 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226006-175313 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35706170&loc=d3e41678-113959 + Details
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- Definition Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226008-175313 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226006-175313 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35706170&loc=d3e41678-113959 + Details
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