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Basis of Presentation and Significant Accounting Policies - Narrative (Details)	3 Months Ended		9 Months Ended	12 Months Ended			15 Months Ended
	Dec. 31, 2021 USD ($) business	Mar. 31, 2020 USD ($)	Sep. 30, 2022 business	Dec. 31, 2022 USD ($) segment	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2022 USD ($) segment
Public Utilities, General Disclosures [Line Items]
Number of reportable segments \| segment				2
Business segments	2		1				2
Capitalized interest				$ 1,000,000	$ 2,000,000	$ 1,000,000
Capitalized exploratory well costs	$ 0			0	0	0	$ 0
Capitalized overhead	7,000,000			6,000,000	7,000,000	6,000,000	6,000,000
Net capitalized costs attributable to unproved properties	292,000,000			248,000,000	292,000,000		248,000,000
Impairment of oil and gas properties				0	0	$ 289,085,000
Asset retirement obligation, noncurrent	$ 143,926,000			$ 158,491,000	$ 143,926,000		$ 158,491,000
Largest customers \| Sales \| Customer one \| E&P
Public Utilities, General Disclosures [Line Items]
Concentration risk				33.00%	30.00%	44.00%
Largest customers \| Sales \| Customer two \| E&P
Public Utilities, General Disclosures [Line Items]
Concentration risk				16.00%	16.00%	20.00%
Largest customers \| Sales \| Customer three \| E&P
Public Utilities, General Disclosures [Line Items]
Concentration risk				10.00%	14.00%	12.00%
Largest customers \| Sales \| Customer four \| E&P
Public Utilities, General Disclosures [Line Items]
Concentration risk					12.00%
Largest customers \| Trade accounts receivable \| Customer one
Public Utilities, General Disclosures [Line Items]
Concentration risk				33.00%	28.00%
Largest customers \| Trade accounts receivable \| Customer two
Public Utilities, General Disclosures [Line Items]
Concentration risk				16.00%	13.00%
Largest customers \| Trade accounts receivable \| Customer three
Public Utilities, General Disclosures [Line Items]
Concentration risk				13.00%	11.00%
Buildings and leasehold improvements \| Minimum
Public Utilities, General Disclosures [Line Items]
Expected useful life				15 years
Buildings and leasehold improvements \| Maximum
Public Utilities, General Disclosures [Line Items]
Expected useful life				39 years
Plant and pipeline \| Minimum
Public Utilities, General Disclosures [Line Items]
Expected useful life				20 years
Plant and pipeline \| Maximum
Public Utilities, General Disclosures [Line Items]
Expected useful life				30 years
Furniture and office equipment \| Minimum
Public Utilities, General Disclosures [Line Items]
Expected useful life				1 year
Furniture and office equipment \| Maximum
Public Utilities, General Disclosures [Line Items]
Expected useful life				10 years
Vehicles \| Minimum
Public Utilities, General Disclosures [Line Items]
Expected useful life				1 year
Vehicles \| Maximum
Public Utilities, General Disclosures [Line Items]
Expected useful life				10 years
Restricted Stock Units (RSUs) and Performance-based Restricted Stock Units (PSUs) \| Minimum
Public Utilities, General Disclosures [Line Items]
Vesting period				1 year
Restricted Stock Units (RSUs) and Performance-based Restricted Stock Units (PSUs) \| Maximum
Public Utilities, General Disclosures [Line Items]
Vesting period				3 years
Unproved Oil and Gas Properties
Public Utilities, General Disclosures [Line Items]
Impairment of oil and gas properties						$ 0
Proved Oil and Gas Properties
Public Utilities, General Disclosures [Line Items]
Impairment of oil and gas properties		$ 289,000,000