2.4.0.8040092 - Disclosure - Derivative Financial Instruments - Narrative - Notional Amounts (Details)truefalsefalse1false USDfalsefalse$AS_OF_Jun30_2013http://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$AS_OF_Dec31_2012http://www.sec.gov/CIK0001275477instant2012-12-31T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]2false 4us-gaap_MarginDepositAssetsus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse26820002682000USD$falsetruefalse2truefalsefalse227000227000USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe amount of cash or securities placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8,17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 false2Cash Held by Broker as Margin on Eurodollar Futures Contracts3false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3false USDtruefalse$AS_OF_Jun30_2013_bmnm_HedgedItemsAxis_JuniorSubordinatedNotesMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[JuniorSubordinatedNotesMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_JuniorSubordinatedNotesMemberbmnm_HedgedItemsAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[JuniorSubordinatedNotesMember]4true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]5false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.01060.0106falsefalsefalse2truetruefalse0.00570.0057falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate6false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse-578000-578000USD$falsefalsefalse2truefalsefalse-983000-983000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures Contracts7false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse5false USDtruefalse$AS_OF_Jun30_2013_bmnm_ExpirationYearsOfEurodollarFuturesContractsAxis_Year2013ExpirationMember_bmnm_HedgedItemsAxis_JuniorSubordinatedNotesMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[JuniorSubordinatedNotesMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_JuniorSubordinatedNotesMemberbmnm_HedgedItemsAxisexplicitMemberfalsefalse[Year2013ExpirationMember]bmnm_ExpirationYearsOfEurodollarFuturesContractsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_Year2013ExpirationMemberbmnm_ExpirationYearsOfEurodollarFuturesContractsAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[JuniorSubordinatedNotesMember] | [Year2013ExpirationMember]8true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]9false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.00340.0034falsefalsefalse2truetruefalse0.00340.0034falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate10false 4bmnm_NotionalAmountbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse2100000021000000USD$falsefalsefalse2truefalsefalse2100000021000000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate notional amount specified by the derivative(s). 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Expressed as an absolute value.No definition available.false2Notional Amount26false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse6400064000USD$falsefalsefalse2truefalsefalse-57000-57000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures Contracts27false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse13false USDtruefalse$AS_OF_Jun30_2013_bmnm_HedgedItemsAxis_JuniorSubordinatedNotesMember_dei_LegalEntityAxis_ParentCompanyMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[JuniorSubordinatedNotesMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_JuniorSubordinatedNotesMemberbmnm_HedgedItemsAxisexplicitMemberfalsefalse[ParentCompanyMember]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ParentCompanyMemberdei_LegalEntityAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[JuniorSubordinatedNotesMember] | [ParentCompanyMember]28true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]29false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.01060.0106falsefalsefalse2falsefalsefalse00falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate30false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse-578000-578000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures Contracts31false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse14false USDtruefalse$AS_OF_Jun30_2013_bmnm_ExpirationYearsOfEurodollarFuturesContractsAxis_Year2013ExpirationMember_bmnm_HedgedItemsAxis_JuniorSubordinatedNotesMember_dei_LegalEntityAxis_ParentCompanyMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[JuniorSubordinatedNotesMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_JuniorSubordinatedNotesMemberbmnm_HedgedItemsAxisexplicitMemberfalsefalse[ParentCompanyMember]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ParentCompanyMemberdei_LegalEntityAxisexplicitMemberfalsefalse[Year2013ExpirationMember]bmnm_ExpirationYearsOfEurodollarFuturesContractsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_Year2013ExpirationMemberbmnm_ExpirationYearsOfEurodollarFuturesContractsAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[JuniorSubordinatedNotesMember] | [ParentCompanyMember] | [Year2013ExpirationMember]32true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]33false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.00340.0034falsefalsefalse2falsefalsefalse00falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate34false 4bmnm_NotionalAmountbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse2100000021000000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate notional amount specified by the derivative(s). Expressed as an absolute value.No definition available.false2Notional Amount35false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse-178000-178000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures Contracts36false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse15false USDtruefalse$AS_OF_Jun30_2013_bmnm_ExpirationYearsOfEurodollarFuturesContractsAxis_Year2014ExpirationMember_bmnm_HedgedItemsAxis_JuniorSubordinatedNotesMember_dei_LegalEntityAxis_ParentCompanyMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[JuniorSubordinatedNotesMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_JuniorSubordinatedNotesMemberbmnm_HedgedItemsAxisexplicitMemberfalsefalse[ParentCompanyMember]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ParentCompanyMemberdei_LegalEntityAxisexplicitMemberfalsefalse[Year2014ExpirationMember]bmnm_ExpirationYearsOfEurodollarFuturesContractsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_Year2014ExpirationMemberbmnm_ExpirationYearsOfEurodollarFuturesContractsAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[JuniorSubordinatedNotesMember] | [ParentCompanyMember] | [Year2014ExpirationMember]37true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]38false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.00540.0054falsefalsefalse2falsefalsefalse00falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate39false 4bmnm_NotionalAmountbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse2600000026000000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate notional amount specified by the derivative(s). 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Expressed as an absolute value.No definition available.false2Notional Amount45false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse-87000-87000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures Contracts46false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse17false USDtruefalse$AS_OF_Jun30_2013_bmnm_ExpirationYearsOfEurodollarFuturesContractsAxis_Year2016ExpirationMember_bmnm_HedgedItemsAxis_JuniorSubordinatedNotesMember_dei_LegalEntityAxis_ParentCompanyMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[JuniorSubordinatedNotesMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_JuniorSubordinatedNotesMemberbmnm_HedgedItemsAxisexplicitMemberfalsefalse[ParentCompanyMember]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ParentCompanyMemberdei_LegalEntityAxisexplicitMemberfalsefalse[Year2016ExpirationMember]bmnm_ExpirationYearsOfEurodollarFuturesContractsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_Year2016ExpirationMemberbmnm_ExpirationYearsOfEurodollarFuturesContractsAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[JuniorSubordinatedNotesMember] | [ParentCompanyMember] | [Year2016ExpirationMember]47true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]48false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.020.02falsefalsefalse2falsefalsefalse00falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate49false 4bmnm_NotionalAmountbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse2600000026000000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate notional amount specified by the derivative(s). Expressed as an absolute value.No definition available.false2Notional Amount50false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse6400064000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures Contracts51false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse18false USDtruefalse$AS_OF_Jun30_2013_bmnm_HedgedItemsAxis_RepurchaseAgreementsHedgedMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[RepurchaseAgreementsHedgedMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_RepurchaseAgreementsHedgedMemberbmnm_HedgedItemsAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[RepurchaseAgreementsHedgedMember]52true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]53false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.01820.0182falsefalsefalse2truetruefalse0.00340.0034falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate54false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse61720006172000USD$falsefalsefalse2truefalsefalse-375000-375000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures Contracts55false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse20false USDtruefalse$AS_OF_Jun30_2013_bmnm_ExpirationYearsOfEurodollarFuturesContractsAxis_Year2013ExpirationMember_bmnm_HedgedItemsAxis_RepurchaseAgreementsHedgedMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[RepurchaseAgreementsHedgedMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_RepurchaseAgreementsHedgedMemberbmnm_HedgedItemsAxisexplicitMemberfalsefalse[Year2013ExpirationMember]bmnm_ExpirationYearsOfEurodollarFuturesContractsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_Year2013ExpirationMemberbmnm_ExpirationYearsOfEurodollarFuturesContractsAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[RepurchaseAgreementsHedgedMember] | [Year2013ExpirationMember]56true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]57false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.00340.0034falsefalsefalse2truetruefalse0.00340.0034falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate58false 4bmnm_NotionalAmountbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse280000000280000000USD$falsefalsefalse2truefalsefalse3000000030000000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate notional amount specified by the derivative(s). Expressed as an absolute value.No definition available.false2Notional Amount59false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse-227000-227000USD$falsefalsefalse2truefalsefalse-375000-375000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures Contracts60false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse22false USDtruefalse$AS_OF_Jun30_2013_bmnm_ExpirationYearsOfEurodollarFuturesContractsAxis_Year2014ExpirationMember_bmnm_HedgedItemsAxis_RepurchaseAgreementsHedgedMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[RepurchaseAgreementsHedgedMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_RepurchaseAgreementsHedgedMemberbmnm_HedgedItemsAxisexplicitMemberfalsefalse[Year2014ExpirationMember]bmnm_ExpirationYearsOfEurodollarFuturesContractsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_Year2014ExpirationMemberbmnm_ExpirationYearsOfEurodollarFuturesContractsAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[RepurchaseAgreementsHedgedMember] | [Year2014ExpirationMember]61true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]62false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.00540.0054falsefalsefalse2falsefalsefalse00falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate63false 4bmnm_NotionalAmountbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse250000000250000000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate notional amount specified by the derivative(s). Expressed as an absolute value.No definition available.false2Notional Amount64false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse173000173000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures Contracts65false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse23false USDtruefalse$AS_OF_Jun30_2013_bmnm_ExpirationYearsOfEurodollarFuturesContractsAxis_Year2015ExpirationMember_bmnm_HedgedItemsAxis_RepurchaseAgreementsHedgedMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[RepurchaseAgreementsHedgedMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_RepurchaseAgreementsHedgedMemberbmnm_HedgedItemsAxisexplicitMemberfalsefalse[Year2015ExpirationMember]bmnm_ExpirationYearsOfEurodollarFuturesContractsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_Year2015ExpirationMemberbmnm_ExpirationYearsOfEurodollarFuturesContractsAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[RepurchaseAgreementsHedgedMember] | [Year2015ExpirationMember]66true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]67false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.01150.0115falsefalsefalse2falsefalsefalse00falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate68false 4bmnm_NotionalAmountbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse250000000250000000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate notional amount specified by the derivative(s). Expressed as an absolute value.No definition available.false2Notional Amount69false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse890000890000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures Contracts70false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse24false USDtruefalse$AS_OF_Jun30_2013_bmnm_ExpirationYearsOfEurodollarFuturesContractsAxis_Year2016ExpirationMember_bmnm_HedgedItemsAxis_RepurchaseAgreementsHedgedMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[RepurchaseAgreementsHedgedMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_RepurchaseAgreementsHedgedMemberbmnm_HedgedItemsAxisexplicitMemberfalsefalse[Year2016ExpirationMember]bmnm_ExpirationYearsOfEurodollarFuturesContractsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_Year2016ExpirationMemberbmnm_ExpirationYearsOfEurodollarFuturesContractsAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[RepurchaseAgreementsHedgedMember] | [Year2016ExpirationMember]71true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]72false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.02150.0215falsefalsefalse2falsefalsefalse00falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate73false 4bmnm_NotionalAmountbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse250000000250000000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate notional amount specified by the derivative(s). Expressed as an absolute value.No definition available.false2Notional Amount74false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse19890001989000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures Contracts75false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse25false USDtruefalse$AS_OF_Jun30_2013_bmnm_ExpirationYearsOfEurodollarFuturesContractsAxis_Year2017ExpirationMember_bmnm_HedgedItemsAxis_RepurchaseAgreementsHedgedMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[RepurchaseAgreementsHedgedMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_RepurchaseAgreementsHedgedMemberbmnm_HedgedItemsAxisexplicitMemberfalsefalse[Year2017ExpirationMember]bmnm_ExpirationYearsOfEurodollarFuturesContractsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_Year2017ExpirationMemberbmnm_ExpirationYearsOfEurodollarFuturesContractsAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[RepurchaseAgreementsHedgedMember] | [Year2017ExpirationMember]76true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]77false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.03000.0300falsefalsefalse2falsefalsefalse00falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate78false 4bmnm_NotionalAmountbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse250000000250000000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate notional amount specified by the derivative(s). Expressed as an absolute value.No definition available.false2Notional Amount79false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse22190002219000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures Contracts80false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse26false USDtruefalse$AS_OF_Jun30_2013_bmnm_ExpirationYearsOfEurodollarFuturesContractsAxis_Year2018ExpirationMember_bmnm_HedgedItemsAxis_RepurchaseAgreementsHedgedMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[RepurchaseAgreementsHedgedMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_RepurchaseAgreementsHedgedMemberbmnm_HedgedItemsAxisexplicitMemberfalsefalse[Year2018ExpirationMember]bmnm_ExpirationYearsOfEurodollarFuturesContractsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_Year2018ExpirationMemberbmnm_ExpirationYearsOfEurodollarFuturesContractsAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[RepurchaseAgreementsHedgedMember] | [Year2018ExpirationMember]81true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]82false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.03540.0354falsefalsefalse2falsefalsefalse00falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate83false 4bmnm_NotionalAmountbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse250000000250000000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate notional amount specified by the derivative(s). Expressed as an absolute value.No definition available.false2Notional Amount84false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse11280001128000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures Contracts85false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse27false USDtruefalse$AS_OF_Jun30_2013_bmnm_HedgedItemsAxis_RepurchaseAgreementsHedgedMember_dei_LegalEntityAxis_ParentCompanyMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[RepurchaseAgreementsHedgedMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_RepurchaseAgreementsHedgedMemberbmnm_HedgedItemsAxisexplicitMemberfalsefalse[ParentCompanyMember]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ParentCompanyMemberdei_LegalEntityAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[RepurchaseAgreementsHedgedMember] | [ParentCompanyMember]86true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]87false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.00340.0034falsefalsefalse2falsefalsefalse00falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate88false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse-220000-220000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures Contracts89false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse28false USDtruefalse$AS_OF_Jun30_2013_bmnm_ExpirationYearsOfEurodollarFuturesContractsAxis_Year2013ExpirationMember_bmnm_HedgedItemsAxis_RepurchaseAgreementsHedgedMember_dei_LegalEntityAxis_ParentCompanyMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[RepurchaseAgreementsHedgedMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_RepurchaseAgreementsHedgedMemberbmnm_HedgedItemsAxisexplicitMemberfalsefalse[ParentCompanyMember]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ParentCompanyMemberdei_LegalEntityAxisexplicitMemberfalsefalse[Year2013ExpirationMember]bmnm_ExpirationYearsOfEurodollarFuturesContractsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_Year2013ExpirationMemberbmnm_ExpirationYearsOfEurodollarFuturesContractsAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[RepurchaseAgreementsHedgedMember] | [ParentCompanyMember] | [Year2013ExpirationMember]90true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]91false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse0.00340.0034falsefalsefalse2falsefalsefalse00falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate92false 4bmnm_NotionalAmountbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse3000000030000000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate notional amount specified by the derivative(s). Expressed as an absolute value.No definition available.false2Notional Amount93false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse-220000-220000USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures Contracts94false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse29false USDtruefalse$AS_OF_Jun30_2013_bmnm_ExpirationYearsOfEurodollarFuturesContractsAxis_Year2014ExpirationMember_bmnm_HedgedItemsAxis_RepurchaseAgreementsHedgedMember_dei_LegalEntityAxis_ParentCompanyMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[RepurchaseAgreementsHedgedMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_RepurchaseAgreementsHedgedMemberbmnm_HedgedItemsAxisexplicitMemberfalsefalse[ParentCompanyMember]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ParentCompanyMemberdei_LegalEntityAxisexplicitMemberfalsefalse[Year2014ExpirationMember]bmnm_ExpirationYearsOfEurodollarFuturesContractsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_Year2014ExpirationMemberbmnm_ExpirationYearsOfEurodollarFuturesContractsAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[RepurchaseAgreementsHedgedMember] | [ParentCompanyMember] | [Year2014ExpirationMember]95true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]96false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate97false 4bmnm_NotionalAmountbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse00USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate notional amount specified by the derivative(s). Expressed as an absolute value.No definition available.false2Notional Amount98false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse00USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures Contracts99false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse30false USDtruefalse$AS_OF_Jun30_2013_bmnm_ExpirationYearsOfEurodollarFuturesContractsAxis_Year2015ExpirationMember_bmnm_HedgedItemsAxis_RepurchaseAgreementsHedgedMember_dei_LegalEntityAxis_ParentCompanyMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[RepurchaseAgreementsHedgedMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_RepurchaseAgreementsHedgedMemberbmnm_HedgedItemsAxisexplicitMemberfalsefalse[ParentCompanyMember]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ParentCompanyMemberdei_LegalEntityAxisexplicitMemberfalsefalse[Year2015ExpirationMember]bmnm_ExpirationYearsOfEurodollarFuturesContractsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_Year2015ExpirationMemberbmnm_ExpirationYearsOfEurodollarFuturesContractsAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[RepurchaseAgreementsHedgedMember] | [ParentCompanyMember] | [Year2015ExpirationMember]100true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]101false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate102false 4bmnm_NotionalAmountbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse00USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate notional amount specified by the derivative(s). Expressed as an absolute value.No definition available.false2Notional Amount103false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse00USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures Contracts104false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse31false USDtruefalse$AS_OF_Jun30_2013_bmnm_ExpirationYearsOfEurodollarFuturesContractsAxis_Year2016ExpirationMember_bmnm_HedgedItemsAxis_RepurchaseAgreementsHedgedMember_dei_LegalEntityAxis_ParentCompanyMemberhttp://www.sec.gov/CIK0001275477instant2013-06-30T00:00:000001-01-01T00:00:00falsefalse[RepurchaseAgreementsHedgedMember]bmnm_HedgedItemsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_RepurchaseAgreementsHedgedMemberbmnm_HedgedItemsAxisexplicitMemberfalsefalse[ParentCompanyMember]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ParentCompanyMemberdei_LegalEntityAxisexplicitMemberfalsefalse[Year2016ExpirationMember]bmnm_ExpirationYearsOfEurodollarFuturesContractsAxisxbrldihttp://xbrl.org/2006/xbrldibmnm_Year2016ExpirationMemberbmnm_ExpirationYearsOfEurodollarFuturesContractsAxisexplicitMemberPercentageStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0[RepurchaseAgreementsHedgedMember] | [ParentCompanyMember] | [Year2016ExpirationMember]105true 3bmnm_EurodollarFuturesLineItemsbmnm_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Eurodollar Futures [Line Items]106false 4bmnm_LockedInLiborRatebmnm_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truetruefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Locked In Libor Rate107false 4bmnm_NotionalAmountbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse00USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAggregate notional amount specified by the derivative(s). Expressed as an absolute value.No definition available.false2Notional Amount108false 4bmnm_EurodollarFuturesContractsbmnm_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse00USD$falsetruefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Eurodollar Futures ContractsfalseDerivative Financial Instruments - Narrative - Notional Amounts (Details) (USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.biminicapital.com/role/DisclosureDerivativeFinancialInstrumentsNarrativeNotionalAmountsDetails2108