XML 33 R67.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Investment securities (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | $ 346,435 us-gaap_AvailableForSaleSecuritiesAmortizedCost | $ 344,419 us-gaap_AvailableForSaleSecuritiesAmortizedCost
Unrealized Gross Gain | 145 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains | 1,152 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains
Unrealized Gross Loss | 7,607 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss | 11,203 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss
Fair Value | 338,973 us-gaap_AvailableForSaleSecurities | 334,368 us-gaap_AvailableForSaleSecurities
Corporate Debt Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 122,165 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 183,651 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Unrealized Gross Gain | 34 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 133 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Unrealized Gross Loss | 3,104 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 5,616 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Fair Value | 119,095 us-gaap_AvailableForSaleSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 178,168 us-gaap_AvailableForSaleSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Corporate Debt Securities [Member] | Brazil [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 36,575 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_BR / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 41,439 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_BR / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Unrealized Gross Gain | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_BR / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 11 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_BR / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Unrealized Gross Loss | 848 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_BR / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 778 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_BR / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Fair Value | 35,727 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_BR / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 40,672 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_BR / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Corporate Debt Securities [Member] | Colombia [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 24,139 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = stpr_CO / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 44,536 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = stpr_CO / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Unrealized Gross Gain | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = stpr_CO / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 65 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = stpr_CO / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Unrealized Gross Loss | 1,828 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = stpr_CO / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 1,351 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = stpr_CO / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Fair Value | 22,311 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = stpr_CO / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 43,250 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = stpr_CO / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Corporate Debt Securities [Member] | Chile [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 12,215 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_CL / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 21,807 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_CL / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Unrealized Gross Gain | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_CL / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 15 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_CL / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Unrealized Gross Loss | 201 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_CL / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 751 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_CL / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Fair Value | 12,014 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_CL / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 21,071 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_CL / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Corporate Debt Securities [Member] | Honduras [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 7,325 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_HN / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 9,400 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_HN / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Unrealized Gross Gain | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_HN / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_HN / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Unrealized Gross Loss | 33 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_HN / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 136 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_HN / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Fair Value | 7,292 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_HN / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 9,264 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_HN / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Corporate Debt Securities [Member] | Panama [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 4,701 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = stpr_PA / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 7,159 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = stpr_PA / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Unrealized Gross Gain | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = stpr_PA / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = stpr_PA / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Unrealized Gross Loss | 56 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = stpr_PA / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 78 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = stpr_PA / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Fair Value | 4,645 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = stpr_PA / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 7,081 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = stpr_PA / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Corporate Debt Securities [Member] | Peru [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 16,911 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_PE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 29,439 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_PE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Unrealized Gross Gain | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_PE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 42 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_PE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Unrealized Gross Loss | 129 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_PE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 674 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_PE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Fair Value | 16,782 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_PE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 28,807 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_PE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Corporate Debt Securities [Member] | Venezuela [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 20,299 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_VE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 29,871 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_VE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Unrealized Gross Gain | 34 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_VE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_VE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Unrealized Gross Loss | 9 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_VE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 1,848 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_VE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Fair Value | 20,324 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_VE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember | 28,023 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_VE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember
Sovereign Debt [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 224,270 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 160,768 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Unrealized Gross Gain | 111 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 1,019 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Unrealized Gross Loss | 4,503 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 5,587 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Fair Value | 219,878 us-gaap_AvailableForSaleSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 156,200 us-gaap_AvailableForSaleSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Sovereign Debt [Member] | Brazil [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 21,899 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_BR / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 32,751 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_BR / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Unrealized Gross Gain | 94 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_BR / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 936 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_BR / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Unrealized Gross Loss | 444 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_BR / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 645 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_BR / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Fair Value | 21,549 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_BR / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 33,042 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_BR / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Sovereign Debt [Member] | Colombia [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 55,415 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = stpr_CO / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 42,776 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = stpr_CO / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Unrealized Gross Gain | 1 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = stpr_CO / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = stpr_CO / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Unrealized Gross Loss | 1,239 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = stpr_CO / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 1,125 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = stpr_CO / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Fair Value | 54,177 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = stpr_CO / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 41,651 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = stpr_CO / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Sovereign Debt [Member] | Chile [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 11,669 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_CL / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 20,772 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_CL / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Unrealized Gross Gain | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_CL / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 12 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_CL / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Unrealized Gross Loss | 398 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_CL / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 610 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_CL / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Fair Value | 11,271 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_CL / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 20,174 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_CL / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Sovereign Debt [Member] | Mexico [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 98,430 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_MX / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 35,730 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_MX / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Unrealized Gross Gain | 4 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_MX / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_MX / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Unrealized Gross Loss | 1,587 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_MX / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 2,445 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_MX / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Fair Value | 96,847 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_MX / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 33,285 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_MX / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Sovereign Debt [Member] | Panama [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 17,692 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = stpr_PA / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 12,485 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = stpr_PA / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Unrealized Gross Gain | 10 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = stpr_PA / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 71 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = stpr_PA / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Unrealized Gross Loss | 306 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = stpr_PA / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 553 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = stpr_PA / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Fair Value | 17,396 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = stpr_PA / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 12,003 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = stpr_PA / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Sovereign Debt [Member] | Peru [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 9,052 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_PE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 11,589 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_PE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Unrealized Gross Gain | 2 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_PE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_PE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Unrealized Gross Loss | 14 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_PE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 65 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_PE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Fair Value | 9,040 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_PE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 11,524 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_PE / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Sovereign Debt [Member] | TRINIDAD AND TOBAGO |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 10,113 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_TT / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 4,665 us-gaap_AvailableForSaleSecuritiesAmortizedCost / blx_AllCountriesAxis = country_TT / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Unrealized Gross Gain | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_TT / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 0 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / blx_AllCountriesAxis = country_TT / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Unrealized Gross Loss | 515 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_TT / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | 144 us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss / blx_AllCountriesAxis = country_TT / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember
Fair Value | $ 9,598 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_TT / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember | $ 4,521 us-gaap_AvailableForSaleSecurities / blx_AllCountriesAxis = country_TT / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_SovereignDebtMember

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