Derivative Instruments - Offsetting Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Total Derivative Liabilities
Offsetting Liabilities [Line Items]
Gross  Liabilities	$ (18,310)	$ (30,575)
Gross Amounts Offset	5,312	6,198
Net Liabilities	(12,998)	(24,377)
Cash Collateral Offset	3,548	5,182
Net Amount Presented	(9,450)	(19,195)
Total Current Derivative Liabilities
Offsetting Liabilities [Line Items]
Gross  Liabilities	(17,541)	(29,903)
Gross Amounts Offset	4,977	6,083
Net Liabilities	(12,564)	(23,820)
Cash Collateral Offset	3,214	4,679
Net Amount Presented	(9,350)	(19,141)
Non-trading commodity derivatives
Offsetting Liabilities [Line Items]
Gross  Liabilities	(17,528)	(29,730)
Gross Amounts Offset	4,970	6,077
Net Liabilities	(12,558)	(23,653)
Cash Collateral Offset	3,214	4,679
Net Amount Presented	(9,344)	(18,974)
Trading commodity derivatives
Offsetting Liabilities [Line Items]
Gross  Liabilities	(13)	(173)
Gross Amounts Offset	7	6
Net Liabilities	(6)	(167)
Cash Collateral Offset	0	0
Net Amount Presented	(6)	(167)
Total Non-current Derivative Assets
Offsetting Liabilities [Line Items]
Gross  Liabilities	(769)	(672)
Gross Amounts Offset	335	115
Net Liabilities	(434)	(557)
Cash Collateral Offset	334	503
Net Amount Presented	(100)	(54)
Non-trading commodity derivatives
Offsetting Liabilities [Line Items]
Gross  Liabilities	(769)	(672)
Gross Amounts Offset	335	115
Net Liabilities	(434)	(557)
Cash Collateral Offset	334	503
Net Amount Presented	(100)	(54)
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