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Commitments and Contingencies - Additional Information (Detail) (USD $) | 3 Months Ended | 12 Months Ended | 1 Months Ended |
--- | --- | --- | --- | ---
Mar. 31, 2015 | Dec. 31, 2002 Subsidiary | Oct. 31, 2014 Violations | Dec. 31, 2012
Commitments And Contingencies [Line Items] |  |  |  |
Accrued liabilities for environmental matters | $ 514,000 us-gaap_AccrualForEnvironmentalLossContingencies |  |  |
Penalty related to discharge water permit |  |  |  | 100,000 lxu_PenaltyRelatedToDischargeWaterPermit
Percentage of payment of investigation costs agreed by Hallowell Facility | 50.00%lxu_RelatedPartyCommitmentObligationPercentage |  |  |
Insurance coverage of general liability risks | 100,000,000 lxu_InsuranceCoverageOfGeneralLiabilityAndAutoLiabilityRisks |  |  |
Product liability deductible per claim | 250,000 lxu_ProductLiabilityDeductiblePerClaim |  |  |
Insurance Claims [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Accrued general liability insurance claims | 576,000 lxu_AccruedGeneralLiabilityInsuranceClaims / us-gaap_StatementBusinessSegmentsAxis = us-gaap_InsuranceClaimsMember |  |  |
Insurance Policy One [Member] | Climate Control [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Product liability deductible per claim | 250,000 lxu_ProductLiabilityDeductiblePerClaim / us-gaap_LossContingenciesByNatureOfContingencyAxis = lxu_InsurancePolicyOneMember / us-gaap_StatementBusinessSegmentsAxis = lxu_ClimateControlMember |  |  |
Insurance Policy Two [Member] | Climate Control [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Product liability deductible per claim | 500,000 lxu_ProductLiabilityDeductiblePerClaim / us-gaap_LossContingenciesByNatureOfContingencyAxis = lxu_InsurancePolicyTwoMember / us-gaap_StatementBusinessSegmentsAxis = lxu_ClimateControlMember |  |  |
Orica International [Member] | Ammonium Nitrate Supply Agreement [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Ammonium nitrate supply agreement maturity date | Apr. 09, 2015 |  |  |
Notice of termination | Required notice of termination of one year |  |  |
Orica International [Member] | Ammonium Nitrate Supply Agreement [Member] | Minimum [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Current purchase agreement quantity with Orica International | 240,000 lxu_LongTermSupplyCommitmentQuantity / us-gaap_OtherCommitmentsAxis = lxu_AmmoniumNitrateSupplyAgreementMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_SubsegmentsAxis = lxu_OricaInternationalMember |  |  |
Hallowell Facility [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Number of subsidiaries under Chemical Business that sold their operating assets |  | 2 lxu_NumberOfSubsidiariesUnderChemicalBusinessThatSoldTheirOperatingAssets / us-gaap_SubsegmentsAxis = lxu_HallowellFacilityMember |  |
El Dorado Facility [Member] | Nitric Acid Plant [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Project costs capitalized | 105,000,000 us-gaap_ConstructionInProgressGross / us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis = lxu_NitricAcidPlantMember / us-gaap_SubsegmentsAxis = lxu_EldoradoMember |  |  |
El Dorado Facility [Member] | Ammonia Plant [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Project costs capitalized | 172,000,000 us-gaap_ConstructionInProgressGross / us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis = lxu_AmmoniaPlantMember / us-gaap_SubsegmentsAxis = lxu_EldoradoMember |  |  |
El Dorado Facility [Member] | Minimum [Member] | Nitric Acid Plant [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Estimated range of project costs to construct plant | 125,000,000 lxu_EstimatedProjectCosts / us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis = lxu_NitricAcidPlantMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_SubsegmentsAxis = lxu_EldoradoMember |  |  |
El Dorado Facility [Member] | Minimum [Member] | Ammonia Plant [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Estimated range of project costs to construct plant | 275,000,000 lxu_EstimatedProjectCosts / us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis = lxu_AmmoniaPlantMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_SubsegmentsAxis = lxu_EldoradoMember |  |  |
El Dorado Facility [Member] | Maximum [Member] | Nitric Acid Plant [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Estimated range of project costs to construct plant | 130,000,000 lxu_EstimatedProjectCosts / us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis = lxu_NitricAcidPlantMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_SubsegmentsAxis = lxu_EldoradoMember |  |  |
El Dorado Facility [Member] | Maximum [Member] | Ammonia Plant [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Estimated range of project costs to construct plant | 300,000,000 lxu_EstimatedProjectCosts / us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis = lxu_AmmoniaPlantMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_SubsegmentsAxis = lxu_EldoradoMember |  |  |
Cherokee Facility [Member] |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Accrued liabilities for environmental matters | $ 112,000 us-gaap_AccrualForEnvironmentalLossContingencies / us-gaap_SubsegmentsAxis = lxu_CherokeeFacilityMember |  |  |
Number of alleged violations |  |  | 11 lxu_NumberOfAllegedViolation / us-gaap_SubsegmentsAxis = lxu_CherokeeFacilityMember |

X
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- Definition Insurance coverage of general liability and auto liability risks. + References No definition available. + Details
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- Definition The number of chemical subsidiaries that sold their operating assets consisting of the Hallowell Facility now classified as discontinued operations. + References No definition available. + Details
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- Definition Penalty related to discharge water permit. + References No definition available. + Details
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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 Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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