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Long-Term Debt - Revolving Credit Facility, Senior Secured Notes and Secured Financing - Additional Information (Detail) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Debt Instrument [Line Items] |  |  |  |
Repayments of debt instrument |  |  | $ 92,216,000 | $ 114,320,000
Gain on extinguishment of debt | $ 1,879,000 | $ 8,644,000 | 3,013,000 | $ 8,644,000
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 |
Available maximum borrowing capacity based on collateral | $ 39,400,000 |  | $ 39,400,000 |
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. 31, 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 | $ 63,700,000 |  | $ 96,600,000 |
Extinguishment of debt | 60,900,000 |  | 92,200,000 |
Gain on extinguishment of debt | 1,900,000 |  | $ 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 |  | $ 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 |  | $ 5,000,000 |
Financial Covenant [Member] | Revolving Credit Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Amount available for borrowing | $ 7,500,000 |  | $ 7,500,000 |
Working capital revolver loan requirements |  |  | we must maintain a minimum fixed charge coverage ratio of not less than 1.00:1.00 |
Fixed charge coverage ratio | 100.00% |  | 100.00% |
Letter of Credit [Member] | Revolving Credit Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum amount of revolving credit facility | $ 10,000,000 |  | $ 10,000,000 |

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