Summary of Significant Accounting Policies - Additional Information (Detail)		12 Months Ended
		Dec. 31, 2023 USD ($) Counterparties Counterparty Customer	Dec. 31, 2022 USD ($) Customer	Dec. 31, 2021 USD ($) Customer
Summary Of Significant Accounting Policies [Line Items]
Net brokered margin gain (loss)		$ 4,200,000	$ (5,400,000)	$ 1,100,000
Allowance for doubtful accounts on accounts receivable		308,000	314,000
Bad debt (income) expense		0	(250,000)	200,000
Net book value of unproved properties	[1]	789,871,000	800,592,000	837,334,000
Abandonment and impairment of unproved properties		46,359,000	28,608,000	7,206,000
Depreciation expense		$ 1,500,000	2,200,000	$ 2,400,000
Lessee, operating lease, contract term		12 months
Marketable securities held in deferred compensation plans		$ 72,000,000	57,700,000
Deferred financing cost related to bank credit facility		7,300,000
Investments and other		$ 9,700,000	$ 10,400,000
Number of customers accounted more than 10% of total oil and gas revenues | Customer		1	0	1
Number of counterparties | Counterparty		6
Number of financial institutions included in counter parties | Counterparty		14
Number of counterparties amount payable | Counterparties		1
Number of counterparties amount receivable | Counterparties		5
Existing derivative contracts		We did not materially modify any existing derivative contracts in 2023, 2022 or 2021.
Total Revenue		$ 2,553,264,000	$ 5,335,309,000	$ 3,580,439,000
Reported Value Measurement
Summary Of Significant Accounting Policies [Line Items]
Marketable securities held in deferred compensation plans	[2]	71,989,000	57,717,000
Brokered Natural Gas, Marketing and Other
Summary Of Significant Accounting Policies [Line Items]
Total Revenue		218,603,000	424,217,000	365,412,000
Interest Income | Brokered Natural Gas, Marketing and Other
Summary Of Significant Accounting Policies [Line Items]
Total Revenue		5,937,000	$ 2,538,000	$ 243,000
Counterparties in a Liability position
Summary Of Significant Accounting Policies [Line Items]
Net derivative liability		329,000
Counterparties in a Receivable position
Summary Of Significant Accounting Policies [Line Items]
Derivative amount receivable		$ 26,400,000
Other property and equipment | Minimum
Summary Of Significant Accounting Policies [Line Items]
Useful life of assets		3 years
Other property and equipment | Maximum
Summary Of Significant Accounting Policies [Line Items]
Useful life of assets		10 years

[1] Includes capitalized asset retirement costs and the associated accumulated amortization.

[2] Marketable securities, which are held in our deferred compensation plans, are actively traded on major exchanges and are updated based on end of period closing prices which is a Level 1 input.