Derivatives - Fair Values (Gross and Net) of Outstanding Derivatives (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Liabilities:
Total derivatives	$ (72,127)	$ (8,305)
Commodity Contracts | Current assets
Assets:
Gross Amounts Recognized at Fair Value	12,494	66,974
Gross Amounts Offset in the Balance Sheet	(12,494)	(30,607)
Net Fair Value Presented  in the Balance Sheet	0	36,367
Commodity Contracts | Non-current assets
Assets:
Gross Amounts Recognized at Fair Value	25,339	39,886
Gross Amounts Offset in the Balance Sheet	(25,339)	(39,810)
Net Fair Value Presented  in the Balance Sheet	0	76
Commodity Contracts | Current liabilities
Liabilities:
Gross Amounts Recognized at Fair Value	(58,656)	(61,713)
Gross Amounts Offset in the Balance Sheet	12,494	30,607
Net Fair Value Presented  in the Balance Sheet	(46,162)	(31,106)
Commodity Contracts | Non-current liabilities
Liabilities:
Gross Amounts Recognized at Fair Value	(51,304)	(53,452)
Gross Amounts Offset in the Balance Sheet	25,339	39,810
Net Fair Value Presented  in the Balance Sheet	$ (25,965)	$ (13,642)