Fair Value Measurements - Fair Value Recognition - Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of the beginning and ending balances of liabilities measured at fair value using significant unobservable inputs (Level 3)
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income [Extensible List]	Unrealized Gain (Loss) on Commodity Contracts	Unrealized Gain (Loss) on Commodity Contracts
Commodity swap contracts
Reconciliation of the beginning and ending balances of liabilities measured at fair value using significant unobservable inputs (Level 3)
Beginning Balance		$ (164)
Settlements, net	$ 1,083	56
Total gain (loss)	(5,466)	108
Ending Balance	(4,383)
Change in unrealized gain (loss) included in earnings	(4,383)	164
Embedded derivatives
Reconciliation of the beginning and ending balances of liabilities measured at fair value using significant unobservable inputs (Level 3)
Beginning Balance	(556)	(81)
Total gain (loss)	556	(475)
Ending Balance		(556)
Change in unrealized gain (loss) included in earnings	$ 556	(475)
Amazon warrant shares
Reconciliation of the beginning and ending balances of liabilities measured at fair value using significant unobservable inputs (Level 3)
Beginning Balance		40
Total gain (loss)		40
Change in unrealized gain (loss) included in earnings		$ 40