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Lease Accounting (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Lessor, Lease, Description [Line Items] |  |  |  |  |
Inventories | $ 58,184,000 |  | $ 58,184,000 |  | $ 37,782,000
Crude oil | 41,567,000 |  | 41,567,000 |  | 20,381,000
NaHS | 8,499,000 |  | 8,499,000 |  | 10,902,000
Caustic soda | 8,118,000 |  | 8,118,000 |  | $ 6,499,000
M/T American Phoenix [Member] | Marine transportation |  |  |  |  |
Lessor, Lease, Description [Line Items] |  |  |  |  |
Lease payments, year one | 30,600,000 |  | 30,600,000 |  |
Operating lease income | 7,400,000 | $ 7,100,000 | 14,600,000 | $ 13,900,000 |
Lease payments, remainder of 2023 | 14,900,000 |  | 14,900,000 |  |
Lease payments, year two | $ 15,200,000 |  | $ 15,200,000 |  |

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