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