Risk Management and Derivative Instruments - Balance Sheet Presentation (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Derivative Instruments and Hedges, Assets
Cash collateral received	$ 0	$ 0
Cash collateral pledged	0	0
Net recorded fair value, Current assets	1,780	17,669
Net recorded fair value, Non-Current assets	0	9,405
Net recorded fair value, Current liabilities	0	0
Net recorded fair value, Non current liabilities	477	0
Short-term derivative instruments
Derivative Instruments and Hedges, Assets
Asset Derivatives, Gross fair value	11,726	21,657
Asset Derivatives, Netting arrangements	(9,946)	(3,988)
Liability Derivatives, Gross fair value	9,946	3,988
Liability Derivatives, Netting arrangements	(9,946)	(3,988)
Short-term derivative instruments | Commodity derivatives
Derivative Instruments and Hedges, Assets
Asset Derivatives, Gross fair value	11,726	21,657
Liability Derivatives, Gross fair value	9,946	3,988
Short-term derivative instruments | Interest rate swaps
Derivative Instruments and Hedges, Assets
Asset Derivatives, Gross fair value	0	0
Liability Derivatives, Gross fair value	0	0
Long-term derivative instruments
Derivative Instruments and Hedges, Assets
Asset Derivatives, Gross fair value	6,962	17,782
Asset Derivatives, Netting arrangements	(6,962)	(8,377)
Liability Derivatives, Gross fair value	7,439	8,377
Liability Derivatives, Netting arrangements	(6,962)	(8,377)
Long-term derivative instruments | Commodity derivatives
Derivative Instruments and Hedges, Assets
Asset Derivatives, Gross fair value	6,962	17,782
Liability Derivatives, Gross fair value	7,439	8,377
Long-term derivative instruments | Interest rate swaps
Derivative Instruments and Hedges, Assets
Asset Derivatives, Gross fair value	0	0
Liability Derivatives, Gross fair value	$ 0	$ 0