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Property, Plant and Equipment - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2021
Chemical Processing Plants and Plant Infrastructure [Member] | Minimum [Member] |
Property Plant And Equipment [Line Items] |
Useful lives in years | 15 years
Chemical Processing Plants and Plant Infrastructure [Member] | Maximum [Member] |
Property Plant And Equipment [Line Items] |
Useful lives in years | 30 years
Processing Plant Components [Member] | Minimum [Member] |
Property Plant And Equipment [Line Items] |
Useful lives in years | 3 years
Processing Plant Components [Member] | Maximum [Member] |
Property Plant And Equipment [Line Items] |
Useful lives in years | 10 years
Trucks, Automobiles, Trailers, and Other Rolling Stock [Member] | Minimum [Member] |
Property Plant And Equipment [Line Items] |
Useful lives in years | 4 years
Trucks, Automobiles, Trailers, and Other Rolling Stock [Member] | Maximum [Member] |
Property Plant And Equipment [Line Items] |
Useful lives in years | 7 years

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

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=lxu_ChemicalProcessingPlantsAndPlantInfrastructureMember
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Data Type: | na
Balance Type: |
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- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=lxu_ProcessingPlantComponentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=lxu_VehiclesAndOtherRollingStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
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