XML 52 R35.htm IDEA: XBRL DOCUMENT
v3.20.1

Derivatives Hedges and Financial Instruments - Additional Information (Detail) $ / shares in Units, MMBTU in Millions, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 USD ($) MMBTU $ / shares $ / MMBTU shares | Mar. 31, 2019 USD ($) | Dec. 31, 2019 MMBTU $ / shares shares
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |
Loss on sale of natural gas | $ | $ (0.7) |  |
Unrealized loss on sale of natural gas | $ | (0.5) | $ 0.0 |
Non-Operating Other Income [Member] |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |
Unrealized gain (loss) on fair value of embedded derivative | $ | $ 0.6 | $ (0.2) |
Embedded Derivative [Member] |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |
Participating right in dividends and liquidating distributions expressed in number of common shares | shares | 303,646 |  | 303,646
Embedded Derivative [Member] | Common Stock Shares [Member] |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |
Common stock per share | $ / shares | $ 2.10 |  | $ 4.20
Natural Gas Purchase Commitments [Member] |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |
Natural gas purchase commitments volume | MMBTU | 11.5 |  |
Weighted average cost of natural gas per unit | 1.85 |  |
Weighted average natural gas market value per unit | 1.75 |  |
Natural Gas Purchase Commitments [Member] | Level 2 [Member] |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |
Natural gas purchase commitments volume | MMBTU | 2.6 |  | 0.0
Weighted average cost of natural gas per unit | 2.01 |  |
Weighted average natural gas market value per unit | 1.81 |  |

X
- Definition The amount of gains and losses (realized and unrealized) recognized in earnings during the period on natural gas forward contracts measured at fair value. + References No definition available. + Details
Name: | lxu_GainLossOnSaleNaturalGasForwardContracts
Namespace Prefix: | lxu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Natural gas purchase commitment volume. + References No definition available. + Details
Name: | lxu_NaturalGasPurchaseCommitmentVolume
Namespace Prefix: | lxu_
Data Type: | num:energyItemType
Balance Type: | na
Period Type: | instant

X
- Definition The preferred stock participation rights in dividends and liquidating distributions expressed in the aggregated number of shares of common stock. + References No definition available. + Details
Name: | lxu_PreferredParticipationRightsInDividendsAndLiquidationCommonStockShareEquivalent
Namespace Prefix: | lxu_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of unrealized gains and losses recognized in earnings during the period on natural gas forward contracts held as of period end measured at fair value. + References No definition available. + Details
Name: | lxu_UnrealizedGainLossOnNaturalGasForwardContractsHeld
Namespace Prefix: | lxu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Weighted average natural gas market value per unit. + References No definition available. + Details
Name: | lxu_WeightedAverageNaturalGasMarketValuePerUnit
Namespace Prefix: | lxu_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average natural gas price per unit. + References No definition available. + Details
Name: | lxu_WeightedAverageNaturalGasPricePerUnit
Namespace Prefix: | lxu_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 15 -URI http://asc.fasb.org/subtopic&trid=2229187 + Details
Name: | us-gaap_EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
Name: | us-gaap_SharePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=lxu_NonOperatingOtherIncomeNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_EmbeddedDerivativeFinancialInstrumentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis=lxu_NaturalGasPurchaseCommitmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |