Derivative Financial Instruments - Additional Information (Detail) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2022	Dec. 31, 2021
Derivative [Line Items]
Percentage share of total profit	35.00%
Oil and Gas Swaps and Options [Member]
Derivative [Line Items]
Credit exposure	$ 0	$ 0
Other Assets [Member] \| Oil and Gas Reserves [Member]
Derivative [Line Items]
Derivative instrument margin amount	$ 98,700	$ 14,300

Fair value of credit risk derivative asset after deduction of credit risk derivative liability.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4K
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5708775-113959

Name:	us-gaap_CreditRiskDerivativesAtFairValueNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant