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v3.25.2

Financial Instruments - Additional Information (Detail) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 USD ($) MMBTU | Dec. 31, 2024 USD ($) MMBTU
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |
Financial instruments with fair values | $ | $ 0 | $ 0
Natural Gas Purchase Commitments [Member] | Level 2 [Member] |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |
Natural gas purchase commitments volume | MMBTU | 0 | 0

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- Definition Financial instruments with fair values. + References No definition available. + Details
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Namespace Prefix: | lxu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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- 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
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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