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Derivative Instruments - Offsetting Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Total Derivative Liabilities |  |
Offsetting Liabilities [Line Items] |  |
Gross Liabilities | $ (1,507) | $ (19,834)
Gross Amounts Offset | 535 | 15,149
Net Liabilities | (971) | (4,685)
Cash Collateral Offset | 0 | 491
Net Amount Presented | (971) | (4,194)
Total Current Derivative Liabilities |  |
Offsetting Liabilities [Line Items] |  |
Gross Liabilities | (87) | (19,598)
Gross Amounts Offset | 1 | 14,949
Net Liabilities | (86) | (4,649)
Cash Collateral Offset | 0 | 491
Net Amount Presented | (86) | (4,158)
Non-trading commodity derivatives |  |
Offsetting Liabilities [Line Items] |  |
Gross Liabilities | 0 | (18,195)
Gross Amounts Offset | 0 | 14,504
Net Liabilities | 0 | (3,691)
Cash Collateral Offset | 0 | 491
Net Amount Presented | 0 | (3,200)
Trading commodity derivatives |  |
Offsetting Liabilities [Line Items] |  |
Gross Liabilities | (87) | (1,403)
Gross Amounts Offset | 1 | 445
Net Liabilities | (86) | (958)
Cash Collateral Offset | 0 | 0
Net Amount Presented | (86) | (958)
Total Non-current Derivative Assets |  |
Offsetting Liabilities [Line Items] |  |
Gross Liabilities | (1,420) | (236)
Gross Amounts Offset | 534 | 200
Net Liabilities | (885) | (36)
Cash Collateral Offset | 0 | 0
Net Amount Presented | (885) | (36)
Non-trading commodity derivatives |  |
Offsetting Liabilities [Line Items] |  |
Gross Liabilities | (1,420) | (236)
Gross Amounts Offset | 534 | 200
Net Liabilities | (885) | (36)
Cash Collateral Offset | 0 | 0
Net Amount Presented | (885) | (36)
Trading commodity derivatives |  |
Offsetting Liabilities [Line Items] |  |
Gross Liabilities | 0 | 0
Gross Amounts Offset | 0 | 0
Net Liabilities | 0 | 0
Cash Collateral Offset | 0 | 0
Net Amount Presented | $ 0 | $ 0

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