2.2.0.25truefalse0150 - Statement - Consolidated Statements of Partners' CapitaltruefalseIn Thousandsfalse1falsefalseUSDtruefalse{us-gaap_RelatedPartyTransactionsByRelatedPartyAxis} : General Partner [Member] 1/1/2010 - 12/31/2010 USD ($) $TwelveMonthsEnded_31Dec2010_General_Partner_Memberhttp://www.sec.gov/CIK0000805022na0001-01-01T00:00:000001-01-01T00:00:00falsefalseus-gaap_GeneralPartnerMemberus-gaap_RelatedPartyTransactionsByRelatedPartyAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_GeneralPartnerMemberus-gaap_RelatedPartyTransactionsByRelatedPartyAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2falsefalseUSDtruefalse{us-gaap_RelatedPartyTransactionsByRelatedPartyAxis} : Limited Partners [Member] 1/1/2010 - 12/31/2010 USD ($) $TwelveMonthsEnded_31Dec2010_Limited_Partner_Memberhttp://www.sec.gov/CIK0000805022na0001-01-01T00:00:000001-01-01T00:00:00falsefalseus-gaap_LimitedPartnerMemberus-gaap_RelatedPartyTransactionsByRelatedPartyAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_LimitedPartnerMemberus-gaap_RelatedPartyTransactionsByRelatedPartyAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3falsefalseUSDtruefalse{us-gaap_RelatedPartyTransactionsByRelatedPartyAxis} : Management Units [Member] 1/1/2010 - 12/31/2010 USD ($) $TwelveMonthsEnded_31Dec2010_Management_Units_Memberhttp://www.sec.gov/CIK0000805022na0001-01-01T00:00:000001-01-01T00:00:00falsefalsebpl_ManagementUnitsMemberus-gaap_RelatedPartyTransactionsByRelatedPartyAxisxbrldihttp://xbrl.org/2006/xbrldibpl_ManagementUnitsMemberus-gaap_RelatedPartyTransactionsByRelatedPartyAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4falsefalseUSDtruefalse{us-gaap_RelatedPartyTransactionsByRelatedPartyAxis} : Equity Gains On Issuance Of Limited Partner Units [Member] 1/1/2010 - 12/31/2010 USD ($) $TwelveMonthsEnded_31Dec2010_Equity_Gains_On_Issuance_Of_Limited_Partner_Units_Memberhttp://www.sec.gov/CIK0000805022na0001-01-01T00:00:000001-01-01T00:00:00falsefalsebpl_EquityGainsOnIssuanceOfLimitedPartnerUnitsMemberus-gaap_RelatedPartyTransactionsByRelatedPartyAxisxbrldihttp://xbrl.org/2006/xbrldibpl_EquityGainsOnIssuanceOfLimitedPartnerUnitsMemberus-gaap_RelatedPartyTransactionsByRelatedPartyAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$5falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Accumulated Other Comprehensive Income (Loss) [Member] 1/1/2010 - 12/31/2010 USD ($) $TwelveMonthsEnded_31Dec2010_Accumulated_Other_Comprehensive_Income_Memberhttp://www.sec.gov/CIK0000805022na0001-01-01T00:00:000001-01-01T00:00:00falsefalseus-gaap_AccumulatedOtherComprehensiveIncomeMemberus-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_AccumulatedOtherComprehensiveIncomeMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$6falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Noncontrolling Interests [Member] 1/1/2010 - 12/31/2010 USD ($) $TwelveMonthsEnded_31Dec2010_Noncontrolling_Interest_Memberhttp://www.sec.gov/CIK0000805022na0001-01-01T00:00:000001-01-01T00:00:00falsefalseus-gaap_NoncontrollingInterestMemberus-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_NoncontrollingInterestMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$7falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $Jan-01-2010_Dec-31-2010http://www.sec.gov/CIK0000805022na0001-01-01T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDEPSDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$1false0us-gaap_PartnersCapitalus-gaaptruecreditinstantNo definition available.falsefalsefalsetruefalsefalsefalsetruefalsefalseperiodstartlabelinstant2008-01-01T00:00:000001-01-01T00:00:001truefalsefalse70007falsetruefalsetruefalse2truefalsefalse232928000232928falsetruefalsetruefalse3truefalsefalse31560003156falsetruefalsetruefalse4truefalsefalse22390002239falsetruefalsetruefalse5truefalsefalse00falsetruefalsetruefalse6truefalsefalse10661430001066143falsetruefalsetruefalse7truefalsefalse13044730001304473falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryOwnership interest of different classes of partners in the publicly listed limited partnership or master limited partnership. Partners include general, limited and preferred partners. Limited liability partnerships (LLPs) are formed in accordance with the laws of the state in which such entities are organized. Because those laws are not uniform, the characteristics of LPCs vary from state to state. However, LLPs generally have the following characteristics: An LLP is an unincorporated association of two or more "persons"; Its members have limited personal liability for the obligations or debts of the entity; It is classified as a partnership for federal income tax purposes.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 falsefalseBeginning Balance at Dec. 31, 20072false0us-gaap_ProfitLossus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2truefalsefalse2598100025981falsefalsefalsetruefalse3truefalsefalse496000496falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse154146000154146falsefalsefalsetruefalse7truefalsefalse180623000180623falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A1, A4, A5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 5 -Subparagraph b Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(1) falsefalseNet income3false0us-gaap_PartnersCapitalAccountDistributionsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1falsefalsefalse00falsefalsefalsetruefalse2truefalsefalse-33741000-33741falsefalsefalsetruefalse3truefalsefalse-644000-644falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse-34385000-34385falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal distributions to each class of partners (i.e., general, limited and preferred partners).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 falsefalseDistributions paid to partners of BGH4false0bpl_RecognitionOfUnitBasedCompensationChargesbplfalsecreditdurationRecognition of unit based compensation chargesfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2truefalsefalse13970001397falsefalsefalsetruefalse3truefalsefalse2900029falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse14260001426falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryRecognition of unit based compensation chargesNo authoritative reference available.falsefalseRecognition of unit-based compensation charges5false0bpl_EquityGainsOnIssuanceOfLimitedPartnersUnitsbplfalsecreditdurationEquity gains on issuance of Limited partners Units.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4truefalsefalse212000212falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse-212000-212falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryEquity gains on issuance of Limited partners Units.No authoritative reference available.falsefalseEquity gains on issuance of Buckeye's LP Units6false0us-gaap_PartnersCapitalAccountSaleOfUnitsus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse113111000113111falsefalsefalsetruefalse7truefalsefalse113111000113111falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal change in each class of partners' capital accounts during the year due to the sale of units. All partners include general, limited and preferred partners.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 falsefalseNet proceeds from issuance of Buckeye's LP Units7false0us-gaap_PartnersCapitalAccountUnitBasedCompensationus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse486000486falsefalsefalsetruefalse7truefalsefalse486000486falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal change in each class of partners' capital accounts during the year due to unit-based compensation. All partners include general, limited and preferred partners.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 falsefalseAmortization of Buckeye's unit-based compensation awards8false0us-gaap_PartnersCapitalAccountOptionExerciseus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse316000316falsefalsefalsetruefalse7truefalsefalse316000316falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal change in each class of partners' capital accounts during the year due to option exercise. All partners include general, limited and preferred partners.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 falsefalseExercise of Buckeye's LP Unit options9false0bpl_NonCashEsopDistributionsbplfalsedebitdurationNon Cash Esop Distributions.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse-5685000-5685falsefalsefalsetruefalse7truefalsefalse-5685000-5685falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNon Cash Esop Distributions.No authoritative reference available.falsefalseServices Company's non-cash ESOP distributions10false0bpl_AcquiredNoncontrollingInterestsNotPreviouslyOwnedbplfalsedebitdurationAcquired noncontrolling interests not previously owned.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse-1537000-1537falsefalsefalsetruefalse7truefalsefalse-1537000-1537falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAcquired noncontrolling interests not previously owned.No authoritative reference available.falsefalseAcquired noncontrolling interests not previously owned11false0us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHoldersus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse-159306000-159306falsefalsefalsetruefalse7truefalsefalse-159306000-159306falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryDecrease in noncontrolling interest balance from payment of dividends or other distributions to noncontrolling interest holders.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(2) falsefalseDistributions paid to noncontrolling interests12false0us-gaap_PartnersCapitalOtherus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse-688000-688falsefalsefalsetruefalse7truefalsefalse-688000-688falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThis element represents movements included in the statement of changes in partners' capital which are not separately disclosed or provided for elsewhere in the taxonomy.No authoritative reference available.falsefalseOther13false0us-gaap_PartnersCapitalus-gaaptruecreditinstantNo definition available.falsefalsefalsetruefalsefalsefalsefalsetruefalseperiodendlabelinstant2008-12-31T00:00:000001-01-01T00:00:001truefalsefalse70007falsefalsefalsetruefalse2truefalsefalse226565000226565falsefalsefalsetruefalse3truefalsefalse30370003037falsefalsefalsetruefalse4truefalsefalse24510002451falsefalsefalsetruefalse5truefalsefalse00falsefalsefalsetruefalse6truefalsefalse11667740001166774falsefalsefalsetruefalse7truefalsefalse13988340001398834falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryOwnership interest of different classes of partners in the publicly listed limited partnership or master limited partnership. Partners include general, limited and preferred partners. Limited liability partnerships (LLPs) are formed in accordance with the laws of the state in which such entities are organized. Because those laws are not uniform, the characteristics of LPCs vary from state to state. However, LLPs generally have the following characteristics: An LLP is an unincorporated association of two or more "persons"; Its members have limited personal liability for the obligations or debts of the entity; It is classified as a partnership for federal income tax purposes.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 falsefalseEnding Balance at Dec. 31, 200814false0us-gaap_ProfitLossus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2truefalsefalse4866800048668falsefalsefalsetruefalse3truefalsefalse926000926falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse9204300092043falsefalsefalsetruefalse7truefalsefalse141637000141637falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A1, A4, A5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 5 -Subparagraph b Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(1) falsefalseNet income15false0us-gaap_PartnersCapitalAccountDistributionsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1falsefalsefalse00falsefalsefalsetruefalse2truefalsefalse-39990000-39990falsefalsefalsetruefalse3truefalsefalse-762000-762falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse-40752000-40752falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal distributions to each class of partners (i.e., general, limited and preferred partners).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 falsefalseDistributions paid to partners of BGH16false0bpl_RecognitionOfUnitBasedCompensationChargesbplfalsecreditdurationRecognition of unit based compensation chargesfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2truefalsefalse13020001302falsefalsefalsetruefalse3truefalsefalse2400024falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse13260001326falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryRecognition of unit based compensation chargesNo authoritative reference available.falsefalseRecognition of unit-based compensation charges17false0bpl_EquityGainsOnIssuanceOfLimitedPartnersUnitsbplfalsecreditdurationEquity gains on issuance of Limited partners Units.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4truefalsefalse106000106falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse-106000-106falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryEquity gains on issuance of Limited partners Units.No authoritative reference available.falsefalseEquity gains on issuance of Buckeye's LP Units18false0us-gaap_PartnersCapitalAccountSaleOfUnitsus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse104632000104632falsefalsefalsetruefalse7truefalsefalse104632000104632falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal change in each class of partners' capital accounts during the year due to the sale of units. All partners include general, limited and preferred partners.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 falsefalseNet proceeds from issuance of Buckeye's LP Units19false0us-gaap_PartnersCapitalAccountUnitBasedCompensationus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse30790003079falsefalsefalsetruefalse7truefalsefalse30790003079falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal change in each class of partners' capital accounts during the year due to unit-based compensation. All partners include general, limited and preferred partners.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 falsefalseAmortization of Buckeye's unit-based compensation awards20false0us-gaap_PartnersCapitalAccountOptionExerciseus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse32040003204falsefalsefalsetruefalse7truefalsefalse32040003204falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal change in each class of partners' capital accounts during the year due to option exercise. All partners include general, limited and preferred partners.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 falsefalseExercise of Buckeye's LP Unit options21false0bpl_NonCashEsopDistributionsbplfalsedebitdurationNon Cash Esop Distributions.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse-6073000-6073falsefalsefalsetruefalse7truefalsefalse-6073000-6073falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNon Cash Esop Distributions.No authoritative reference available.falsefalseServices Company's non-cash ESOP distributions22false0us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHoldersus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse-180008000-180008falsefalsefalsetruefalse7truefalsefalse-180008000-180008falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryDecrease in noncontrolling interest balance from payment of dividends or other distributions to noncontrolling interest holders.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(2) falsefalseDistributions paid to noncontrolling interests23false0us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse1772200017722falsefalsefalsetruefalse7truefalsefalse1772200017722falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNet of tax effect change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges after taxes. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. The change includes an entity's share of an equity investee's increase (decrease) in deferred hedging gains or losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 14, 17, 20, 26 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 31, 46 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 46 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 24 -Subparagraph b Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 14, 17, 20, 24, 26 falsefalseChange in value of derivatives24false0bpl_AmortizationOfInterestRateSwapsbplfalsedebitdurationAmortization of interest rate swaps.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse961000961falsefalsefalsetruefalse7truefalsefalse961000961falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmortization of interest rate swaps.No authoritative reference available.falsefalseAmortization of interest rate swaps25false0us-gaap_PartnersCapitalOtherus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse77320007732falsefalsefalsetruefalse7truefalsefalse77320007732falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThis element represents movements included in the statement of changes in partners' capital which are not separately disclosed or provided for elsewhere in the taxonomy.No authoritative reference available.falsefalseOther26false0us-gaap_PartnersCapitalus-gaaptruecreditinstantNo definition available.falsefalsefalsetruefalsefalsefalsefalsetruefalseperiodendlabelinstant2009-12-31T00:00:000001-01-01T00:00:001truefalsefalse70007falsefalsefalsetruefalse2truefalsefalse236545000236545falsefalsefalsetruefalse3truefalsefalse32250003225falsefalsefalsetruefalse4truefalsefalse25570002557falsefalsefalsetruefalse5truefalsefalse00falsefalsefalsetruefalse6truefalsefalse12099600001209960falsefalsefalsetruefalse7truefalsefalse14522940001452294falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryOwnership interest of different classes of partners in the publicly listed limited partnership or master limited partnership. Partners include general, limited and preferred partners. Limited liability partnerships (LLPs) are formed in accordance with the laws of the state in which such entities are organized. Because those laws are not uniform, the characteristics of LPCs vary from state to state. However, LLPs generally have the following characteristics: An LLP is an unincorporated association of two or more "persons"; Its members have limited personal liability for the obligations or debts of the entity; It is classified as a partnership for federal income tax purposes.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 falsefalseEnding Balance at Dec. 31, 200927false0us-gaap_ProfitLossus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2truefalsefalse4217500042175falsefalsefalsetruefalse3truefalsefalse905000905falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse157928000157928falsefalsefalsetruefalse7truefalsefalse201008000201008falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A1, A4, A5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 5 -Subparagraph b Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(1) falsefalseNet income28false0bpl_CostsAssociatedWithAgreementAndPlanOfMergerbplfalsedebitdurationCosts associated with agreement and plan of merger.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2truefalsefalse-6750000-6750falsefalsefalsetruefalse3truefalsefalse-128000-128falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse-9549000-9549falsefalsefalsetruefalse7truefalsefalse-16427000-16427falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryCosts associated with agreement and plan of merger.No authoritative reference available.falsefalseCosts associated with agreement and plan of merger29false0us-gaap_PartnersCapitalAccountDistributionsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1falsefalsefalse00falsefalsefalsetruefalse2truefalsefalse-48877000-48877falsefalsefalsetruefalse3truefalsefalse-931000-931falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse-49808000-49808falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal distributions to each class of partners (i.e., general, limited and preferred partners).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 falsefalseDistributions paid to partners of BGH30false0bpl_RecognitionOfUnitBasedCompensationChargesbplfalsecreditdurationRecognition of unit based compensation chargesfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2truefalsefalse2191600021916falsefalsefalsetruefalse3truefalsefalse419000419falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse2233500022335falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryRecognition of unit based compensation chargesNo authoritative reference available.falsefalseRecognition of unit-based compensation charges31false0us-gaap_PartnersCapitalAccountUnitBasedCompensationus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsetruefalse2truefalsefalse21630002163falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse60400006040falsefalsefalsetruefalse7truefalsefalse82030008203falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal change in each class of partners' capital accounts during the year due to unit-based compensation. All partners include general, limited and preferred partners.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 falsefalseAmortization of Buckeye's unit-based compensation awards32false0us-gaap_PartnersCapitalAccountOptionExerciseus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2truefalsefalse340000340falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse44490004449falsefalsefalsetruefalse7truefalsefalse47890004789falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal change in each class of partners' capital accounts during the year due to option exercise. All partners include general, limited and preferred partners.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 falsefalseExercise of Buckeye's LP Unit options33false0bpl_NonCashEsopDistributionsbplfalsedebitdurationNon Cash Esop Distributions.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse-5385000-5385falsefalsefalsetruefalse7truefalsefalse-5385000-5385falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNon Cash Esop Distributions.No authoritative reference available.falsefalseServices Company's non-cash ESOP distributions34false0us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHoldersus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse-195564000-195564falsefalsefalsetruefalse7truefalsefalse-195564000-195564falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryDecrease in noncontrolling interest balance from payment of dividends or other distributions to noncontrolling interest holders.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(2) falsefalseDistributions paid to noncontrolling interests35false0us-gaap_OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTaxus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5truefalsefalse-132000-132falsefalsefalsetruefalse6truefalsefalse-1017000-1017falsefalsefalsetruefalse7truefalsefalse-1149000-1149falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe adjustment out of other comprehensive income for prior service costs recognized as a component of net period benefit cost during the period, after tax.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 158 -Paragraph 4 -Subparagraph c, d Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 106 -Paragraph 52 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 158 -Paragraph 7 -Subparagraph a Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 17, 19, 24 falsefalseAmortization of benefit plan costs36false0us-gaap_OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTaxus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5truefalsefalse-5870000-5870falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse-5870000-5870falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAfter tax gain or loss adjustment to other comprehensive income resulting from the settlement or curtailment of the entity's defined benefit pension and other postretirement plans. A settlement is defined as a transaction that (a) is an irrevocable action, (b) relieves the employer or plan of a primary responsibility for a pension benefit obligation, and (c) eliminates significant risks related to the obligations and the assets used to effect the settlement. A curtailment is an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 158 -Paragraph A14, A16 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 88 -Paragraph 3, 6 falsefalseAdjustment to funded status of benefit plans37false0us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5truefalsefalse2376200023762falsefalsefalsetruefalse6truefalsefalse-38119000-38119falsefalsefalsetruefalse7truefalsefalse-14357000-14357falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNet of tax effect change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges after taxes. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. The change includes an entity's share of an equity investee's increase (decrease) in deferred hedging gains or losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 14, 17, 20, 26 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 31, 46 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 46 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 24 -Subparagraph b Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 14, 17, 20, 24, 26 falsefalseChange in value of derivatives38false0bpl_AmortizationOfInterestRateSwapsbplfalsedebitdurationAmortization of interest rate swaps.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5truefalsefalse109000109falsefalsefalsetruefalse6truefalsefalse855000855falsefalsefalsetruefalse7truefalsefalse964000964falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAmortization of interest rate swaps.No authoritative reference available.falsefalseAmortization of interest rate swaps39false0bpl_NonCashAccrualForDistributionEquivalentRightsbplfalsedebitdurationNon Cash Accrual For Distribution Equivalent Rights.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse-936000-936falsefalsefalsetruefalse7truefalsefalse-936000-936falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNon Cash Accrual For Distribution Equivalent Rights.No authoritative reference available.falsefalseNoncash accrual for distribution equivalent rights40false0bpl_CancellationOfLPUnitsInConnectionWithMergerbplfalsedebitdurationCancellation of LP Units in connection with Merger.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse31320003132falsefalsefalsetruefalse7truefalsefalse31320003132falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryCancellation of LP Units in connection with Merger.No authoritative reference available.falsefalseCancellation of 80,000 LP Units in connection with Merger41false0us-gaap_PartnersCapitalOtherus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6truefalsefalse70310007031falsefalsefalsetruefalse7truefalsefalse70310007031falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThis element represents movements included in the statement of changes in partners' capital which are not separately disclosed or provided for elsewhere in the taxonomy.No authoritative reference available.falsefalseOther42false0bpl_EffectOfMergerOnPartnersCapitalbplfalsedebitdurationEffect of merger on partners' capital.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1truefalsefalse-7000-7falsefalsefalsetruefalse2truefalsefalse11661520001166152falsefalsefalsetruefalse3truefalsefalse-3490000-3490falsefalsefalsetruefalse4truefalsefalse-2557000-2557falsefalsefalsetruefalse5truefalsefalse-39128000-39128falsefalsefalsetruefalse6truefalsefalse-1120970000-1120970falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryEffect of merger on partners' capital.No authoritative reference available.truefalseEffect of merger on partners' capital43false0us-gaap_PartnersCapitalus-gaaptruecreditinstantNo definition available.falsefalsefalsetruefalsefalsefalsefalsetruefalseperiodendlabelinstant2010-12-31T00:00:000001-01-01T00:00:001truefalsefalse00falsetruefalsetruefalse2truefalsefalse14136640001413664falsetruefalsetruefalse3truefalsefalse00falsetruefalsetruefalse4truefalsefalse00falsetruefalsetruefalse5truefalsefalse-21259000-21259falsetruefalsetruefalse6truefalsefalse1785500017855falsetruefalsetruefalse7truefalsefalse14102600001410260falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryOwnership interest of different classes of partners in the publicly listed limited partnership or master limited partnership. Partners include general, limited and preferred partners. Limited liability partnerships (LLPs) are formed in accordance with the laws of the state in which such entities are organized. Because those laws are not uniform, the characteristics of LPCs vary from state to state. However, LLPs generally have the following characteristics: An LLP is an unincorporated association of two or more "persons"; Its members have limited personal liability for the obligations or debts of the entity; It is classified as a partnership for federal income tax purposes.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 falsefalseEnding Balance at Dec. 31, 2010743Consolidated Statements of Partners' Capital (USD $)ThousandsUnKnownUnKnownUnKnownfalsetrue