Long-Term Debt - Revolving Credit Facility, Senior Secured Notes and Secured Financing - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Debt Instrument [Line Items]
Repayments of debt instrument			$ 32,076,000	$ 92,216,000
(Gain) loss on extinguishments of debt	$ (59,000)	$ 1,879,000	(59,000)	3,013,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Maximum amount of revolving credit facility	75,000,000		75,000,000
Revolving credit facility, increase (decrease), net			25,000,000
Amount available for borrowing	7,500,000		$ 7,500,000
Maturity date			Dec. 21, 2028
Available maximum borrowing capacity based on collateral	$ 46,000,000		$ 46,000,000
Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	0.10%		0.10%
Debt instrument floor rate percentage			0.00%
Debt instrument basis spread on variable rate			1.625%
6.25% Senior Secured Notes Due 2028 [Member]
Debt Instrument [Line Items]
Maturity date			Oct. 15, 2028
Debt issued - principal amount	$ 700,000,000		$ 700,000,000
Debt instrument, interest rate	6.25%		6.25%
Debt instrument, maturity term			2028
Repayments of debt instrument	$ 32,400,000	63,700,000		96,600,000
Extinguishment of debt	32,100,000	60,900,000		92,200,000
(Gain) loss on extinguishments of debt	100,000	$ 1,900,000		$ 3,000,000
6.25% Senior Secured Notes Due 2028 [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Maturity date			Oct. 15, 2028
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		$ 30,000,000
Debt instrument, frequency of interest payment			Principal and interest are 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		$ 5,000,000
Financial Covenant [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Working capital revolver loan requirements			the Borrowers must maintain a minimum fixed charge coverage ratio of not less than 1.00:1.00
Letter of Credit [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Maximum amount of revolving credit facility	$ 10,000,000		$ 10,000,000