Investment in Laramie Energy, LLC - Summarized Financial Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
ASSETS
Current assets	$ 1,130,171	$ 636,469
Current liabilities	1,355,793	878,680
Revenue
Income (loss) from operations	(7,619)	(317,998)	$ 147,980
Net income (loss)	(81,297)	(409,086)	40,809
Laramie Energy Company
ASSETS
Current assets	68,779	34,573
Non-current assets	328,571	355,538
Current liabilities	107,976	217,523
Non-current liabilities	177,503	93,193
Revenue
Natural gas and oil revenues	221,176	121,893	193,906
Income (loss) from operations	99,133	(2,994)	(360,967)
Net income (loss)	$ 32,476	$ (22,589)	$ (380,473)