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Derivatives (Schedule of Effect on Operating Results) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Level 3 | Preferred Distribution Rate Reset Election |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Net loss for the period included in earnings | $ (24,977) |  | $ (18,584) |
Commodity derivatives - futures and call options | Cost of Goods and Services Sold |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Income | 9,223 | $ (456) | 16,967 | $ (13,616)
Natural Gas Swap | Cost of Goods and Services Sold | Sodium minerals and sulfur services operating costs |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Income | (489) | (55) | (2,181) | (92)
Preferred Distribution Rate Reset Election | Other income (expense) |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Income |  | 1,740 |  | (31,042)
Contracts designated as hedges under accounting guidance | Commodity derivatives - futures and call options | Cost of Goods and Services Sold | Onshore facilities and transportation product costs |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Income | 2,085 | (285) | 1,549 | (7,745)
Contracts not considered hedges under accounting guidance | Commodity derivatives - futures and call options | Cost of Goods and Services Sold | Onshore facilities and transportation product costs, Sodium minerals and sulfur services operating costs |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Gain (Loss) Recognized in Income | $ 7,138 | $ (171) | $ 15,418 | $ (5,871)

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