Debt instrument issued price percentage.

No definition available.

Name:	lxu_DebtInstrumentIssuedPricePercentage
Namespace Prefix:	lxu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt instrument maturity term.

+ References

No definition available.

+ Details

Name:	lxu_DebtInstrumentMaturityTerm
Namespace Prefix:	lxu_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Description of debt redemption features under terms of the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
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-URI http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823

+ Details

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

- Definition

End date of debt instrument redemption period, in YYYY-MM-DD format.

+ References

+ Details

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

- Definition

Start date of debt instrument redemption period, in YYYY-MM-DD format.

+ References

+ Details

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

- Definition

Number of shares issued during the period as a result of a stock split.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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+ Details

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

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DividendsAxis=lxu_SpecialDividendsMember
Namespace Prefix:
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Subsequent Events - Additional Information (Detail) - USD ($) shares in Millions				1 Months Ended	9 Months Ended
	Oct. 15, 2024	Oct. 14, 2021	Oct. 08, 2021	Oct. 31, 2021	Sep. 30, 2021
Subsequent Event [Line Items]
Debt instrument, frequency of interest payment					Interest payable semi-annually in arrears on May 15 and October 15 of each year, beginning on May 15, 2022, to the holders of record on the immediately preceding May 1 and October 1
Debt instrument, redemption, description					On September 29, 2021, LSB issued a conditional notice of redemption to redeem all of the Existing Notes (the “Redemption”), conditioned on the closing of the offering of the Notes, which condition was satisfied as of October 14, 2021. Also on October 14, 2021, LSB satisfied and discharged its obligations under the indenture governing the Senior Secured Notes by irrevocably depositing with the trustee for the Senior Secured Notes funds sufficient to redeem the Senior Secured Notes in full and to pay related fees and expenses. The Redemption was completed by the trustee on October 29, 2021.
Redemption date					Sep. 29, 2021
Debt instrument, redemption period, end date					Oct. 29, 2021
Scenario Forecast [Member]
Subsequent Event [Line Items]
Debt instrument issued price percentage	25.00%
Scenario Forecast [Member] \| Senior Notes [Member]
Subsequent Event [Line Items]
Debt issued - principal amount	$ 435,000,000
Subsequent Event [Member]
Subsequent Event [Line Items]
Debt issued - principal amount		$ 500,000,000
Debt instrument, interest rate		6.25%
Debt instrument, maturity term		2028
Debt instrument issued price percentage		100.00%
Subsequent Event [Member] \| Special Dividend [Member]
Subsequent Event [Line Items]
Special dividend paid in common shares			9.1	9.1