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Long-Term Debt - Working Capital Revolver Loan and Senior Secured Notes - Additional Information (Detail) - USD ($)			1 Months Ended	9 Months Ended		12 Months Ended
	Mar. 08, 2022	Oct. 14, 2021	Oct. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Feb. 28, 2019
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt				$ (113,000)	$ 10,000,000
Working Capital Revolver Loan [Member]
Debt Instrument [Line Items]
Maximum amount of revolving credit facility							$ 65,000,000
Letters of credit outstanding				1,600,000
Revolving credit facility, increase (decrease), net				10,000,000
Amount available for borrowing				$ 63,400,000
Maturity date				Feb. 26, 2024
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%
Proceeds from the notes used to purchase or redeem previously outstanding aggregate principal amount			$ 435,000,000
Debt instrument, maturity year			2023
Gain (loss) on extinguishment of debt						$ (20,300,000)
8.32% Secured Financing Due 2023 [Member] | El Dorado Chemical Company [Member]
Debt Instrument [Line Items]
Maturity date				Jun. 30, 2023
Debt instrument, frequency of interest payment				Principal and interest are payable in 48 equal monthly installments with a final balloon payment of approximately $3 million due in June 2023
Final balloon payment				$ 3,000,000
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
Letter of Credit [Member] | Working Capital Revolver Loan [Member]
Debt Instrument [Line Items]
Maximum amount of revolving credit facility							$ 10,000,000

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