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Derivative Instruments - Offsetting Assets (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Total Derivative Assets |  |
Offsetting Assets [Line Items] |  |
Gross Assets | $ 45,771 | $ 7,675
Gross Amounts Offset | (13,440) | (3,405)
Net Assets | 32,331 | 4,270
Cash Collateral Offset | (3,243) | 0
Net Amount Presented | 29,088 | 4,270
Total Current Derivative Assets |  |
Offsetting Assets [Line Items] |  |
Gross Assets | 44,399 | 7,264
Gross Amounts Offset | (13,245) | (3,334)
Net Assets | 31,154 | 3,930
Cash Collateral Offset | (3,243) | 0
Net Amount Presented | 27,911 | 3,930
Non-trading commodity derivatives |  |
Offsetting Assets [Line Items] |  |
Gross Assets | 43,219 | 7,121
Gross Amounts Offset | (12,623) | (3,319)
Net Assets | 30,596 | 3,802
Cash Collateral Offset | (3,243) | 0
Net Amount Presented | 27,353 | 3,802
Trading commodity derivatives |  |
Offsetting Assets [Line Items] |  |
Gross Assets | 1,180 | 143
Gross Amounts Offset | (622) | (15)
Net Assets | 558 | 128
Cash Collateral Offset | 0 | 0
Net Amount Presented | 558 | 128
Total Non-current Derivative Assets |  |
Offsetting Assets [Line Items] |  |
Gross Assets | 1,372 | 411
Gross Amounts Offset | (195) | (71)
Net Assets | 1,177 | 340
Cash Collateral Offset | 0 | 0
Net Amount Presented | 1,177 | 340
Non-trading commodity derivatives |  |
Offsetting Assets [Line Items] |  |
Gross Assets | 1,347 | 411
Gross Amounts Offset | (195) | (71)
Net Assets | 1,152 | 340
Cash Collateral Offset | 0 | 0
Net Amount Presented | 1,152 | 340
Trading commodity derivatives |  |
Offsetting Assets [Line Items] |  |
Gross Assets | 25 | 0
Gross Amounts Offset | 0 | 0
Net Assets | 25 | 0
Cash Collateral Offset | 0 | 0
Net Amount Presented | $ 25 | $ 0

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