Debt instrument issued price percentage.

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Debt instrument maturity term.

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Fixed charge coverage ratio.

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The description of requirements under an agreement to be eligible to enter into certain transactions.

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Minimum excess borrowing availability as percentage of maximum revolver commitments.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.

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

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

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

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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.

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Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

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Fair value amount of debt instrument that was repurchased.

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Gross amount of debt extinguished.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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Amount of increase (decrease) of the credit facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Long-Term Debt - Working Capital Revolver Loan and Senior Secured Notes - Additional Information (Detail) - USD ($)			6 Months Ended	9 Months Ended
	Mar. 08, 2022	Oct. 14, 2021	Jun. 30, 2023	Sep. 30, 2023	Sep. 30, 2022	Feb. 28, 2019
Debt Instrument [Line Items]
(Gain) loss on extinguishment of debt				$ (8,644,000)	$ 113,000
Working Capital Revolver Loan [Member]
Debt Instrument [Line Items]
Maximum amount of revolving credit facility						$ 65,000,000
Revolving credit facility, increase (decrease), net				10,000,000
Amount available for borrowing				$ 42,400,000
Maturity date				Feb. 26, 2024
Working Capital Revolver Loan [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate				0.10%
Working Capital Revolver Loan [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate				1.75%
Working Capital Revolver Loan [Member] \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate				1.50%
Working Capital Revolver Loan [Member] \| Prime Rate [Member] \| Maximum [Member] \| Wells Fargo Capital Finance, Inc. [Member]
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate				0.75%
Working Capital Revolver Loan [Member] \| Prime Rate [Member] \| Minimum [Member] \| Wells Fargo Capital Finance, Inc. [Member]
Debt Instrument [Line Items]
Debt instrument basis spread on variable rate				0.50%
Springing Financials Covenant [Member] \| Working Capital Revolver Loan [Member]
Debt Instrument [Line Items]
Working capital revolver loan requirements				borrowers must maintain a minimum fixed charge coverage ratio of not less than 1.00 to 1.00.
Maximum revolver commitment available, percentage				10.00%
Loan requirements description				less than 10.0% of the total revolver commitments
Fixed charge coverage ratio				100.00%
6.25% Senior Secured Notes Due 2028 [Member]
Debt Instrument [Line Items]
Maturity date				Oct. 15, 2028
Debt issued - principal amount	$ 200,000,000	$ 500,000,000
Debt instrument, interest rate		6.25%
Debt instrument, maturity term		2028
Debt instrument issued price percentage	100.00%	100.00%
Repurchase of debt instrument			$ 125,000,000
Extinguishment of debt			114,300,000
(Gain) loss on extinguishment of debt			$ 8,600,000
8.75% Secured Financing Due 2025 [Member] \| El Dorado Ammonia L.L.C. [Member]
Debt Instrument [Line Items]
Maturity date				Aug. 31, 2025
Debt issued - principal amount				$ 30,000,000
Debt instrument, frequency of interest payment				principal and interest is payable in 60 equal monthly installments with a final balloon payment of approximately $5 million due in August 2025
Final balloon payment				$ 5,000,000
8.32% Secured Financing Due 2023 [Member] \| El Dorado Chemical Company [Member]
Debt Instrument [Line Items]
Final balloon payment				3,000,000
Letter of Credit [Member] \| Working Capital Revolver Loan [Member]
Debt Instrument [Line Items]
Maximum amount of revolving credit facility						$ 10,000,000
Letters of credit outstanding				$ 2,000,000