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v2.4.1.9

Commitments and Contingencies (Details 5) In Millions, unless otherwise specified | 12 Months Ended |  | 1 Months Ended |  |  |  | 1 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2013 item | Dec. 31, 2014 USD ($) | Jan. 31, 2014 Derailment of freight train USD ($) | Jan. 31, 2014 Derailment of freight train CAD | Dec. 31, 2014 Derailment of freight train USD ($) | Jul. 06, 2013 Derailment of freight train bbl | Dec. 31, 2014 Derailment of freight train Accrued expenses and other current liabilities USD ($) | Dec. 31, 2014 Derailment of freight train Other current assets USD ($) | Dec. 31, 2014 DPM | Dec. 31, 2014 DPTS | Dec. 31, 2014 DAKP Derailment of freight train USD ($)
Legal Matters |  |  |  |  |  |  |  |  |  |  |
Membership interest in joint venture (as a percent) |  |  |  |  |  |  |  |  | 50.00%int_OwnershipInterestInJointVenture / dei_LegalEntityAxis = int_DPTSMarketingLLCMember | 50.00%int_OwnershipInterestInJointVenture / dei_LegalEntityAxis = int_DakotaPetroleumTransportSolutionsLLCMember |
Volume of crude oil (in barrels) |  |  |  |  |  | 50,000 int_CrudeOilVolume / us-gaap_EnvironmentalRemediationSiteAxis = int_DerailmentOfFreightTrainMember |  |  |  |  |
Number of complaints filed | 20 int_NumberOfComplaintsFiled |  |  |  |  |  |  |  |  |  |
Minimum firm commitments from certain third parties of settlement of funds |  |  | $ 170.0 int_FirmCommitmentsFromCertainThirdPartiesOfSettlementOfFundsMinimum / us-gaap_EnvironmentalRemediationSiteAxis = int_DerailmentOfFreightTrainMember | 200.0 int_FirmCommitmentsFromCertainThirdPartiesOfSettlementOfFundsMinimum / us-gaap_EnvironmentalRemediationSiteAxis = int_DerailmentOfFreightTrainMember |  |  |  |  |  |  |
Sale of joint venture interest (as a percent) |  |  |  |  |  |  |  |  | 50.00%int_SaleOfOwnershipInterestInJointVenture / dei_LegalEntityAxis = int_DPTSMarketingLLCMember | 50.00%int_SaleOfOwnershipInterestInJointVenture / dei_LegalEntityAxis = int_DakotaPetroleumTransportSolutionsLLCMember |
Indemnification of costs and expenses, maximum amount |  |  |  |  |  |  |  |  |  |  | 10.0 int_IndemnificationOfCostsAndExpensesMaximumAmount / us-gaap_EnvironmentalRemediationSiteAxis = int_DerailmentOfFreightTrainMember / dei_LegalEntityAxis = int_DakotaPlainsHoldingsIncMember
Liabilities recorded based on estimated losses |  |  |  |  | 40.9 us-gaap_AccrualForEnvironmentalLossContingencies / us-gaap_EnvironmentalRemediationSiteAxis = int_DerailmentOfFreightTrainMember |  | 14.8 us-gaap_AccrualForEnvironmentalLossContingencies / us-gaap_BalanceSheetLocationAxis = int_AccruedExpensesAndOtherCurrentLiabilitiesMember / us-gaap_EnvironmentalRemediationSiteAxis = int_DerailmentOfFreightTrainMember |  |  |  |
Receivables for portion of liability recoverable from insurance |  |  |  |  | 38.6 us-gaap_RecordedThirdPartyEnvironmentalRecoveriesReceivable / us-gaap_EnvironmentalRemediationSiteAxis = int_DerailmentOfFreightTrainMember |  |  | 28.9 us-gaap_RecordedThirdPartyEnvironmentalRecoveriesReceivable / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherCurrentAssetsMember / us-gaap_EnvironmentalRemediationSiteAxis = int_DerailmentOfFreightTrainMember |  |  |
Estimated amount recoverable due to theft of fuel product |  | $ 18.0 us-gaap_LossContingencyEstimateOfPossibleLoss |  |  |  |  |  |  |  |  |

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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 + Details
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- Definition Carrying amount as of the balance sheet date of known and reasonably estimable amounts of recoveries from third-parties pertaining to an entity's environmental remediation obligations. An entity's balance sheet may include several assets that relate to an environmental remediation obligation. Among them are the following: a. Receivables from other potentially responsible parties that are not providing initial funding; b. anticipated recoveries from insurers; and c. anticipated recoveries from prior owners as a result of indemnification agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6393211&loc=d3e13022-110858 + Details
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