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Trading liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Trading liabilities:
Trading liabilities	$ 52us-gaap_TradingLiabilities	$ 72us-gaap_TradingLiabilities
Interest Rate Swap [Member]
Trading liabilities:
Trading liabilities	52us-gaap_TradingLiabilities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_InterestRateSwapMember	65us-gaap_TradingLiabilities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_InterestRateSwapMember
Cross Currency Interest Rate Swaps [Member]
Trading liabilities:
Trading liabilities	0us-gaap_TradingLiabilities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = blx_CrossCurrencyInterestRateSwapMember	7us-gaap_TradingLiabilities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = blx_CrossCurrencyInterestRateSwapMember
Forward Foreign Exchange [Member]
Trading liabilities:
Trading liabilities	$ 0us-gaap_TradingLiabilities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = blx_ForwardForeignExchangeMember	$ 0us-gaap_TradingLiabilities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = blx_ForwardForeignExchangeMember

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- Details

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- Definition

The carrying amount of liabilities as of the balance sheet date that pertain to principal and customer trading transactions, or which may be incurred with the objective of generating a profit from short-term fluctuations in price as part of an entity's market-making, hedging and proprietary trading. Examples include short positions in securities, derivatives and commodities, obligations under repurchase agreements, and securities borrowed arrangements.

+ References

No definition available.

+ Details

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- Details

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- Details

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