Commitments and Contingencies - Additional Information (Detail)					12 Months Ended
	Sep. 08, 2022 USD ($) item	Aug. 26, 2022 USD ($)	Aug. 25, 2022 USD ($)	Dec. 15, 2021 USD ($) agreement	Dec. 31, 2022 USD ($) $ / bbl	Dec. 31, 2021 USD ($)	Mar. 01, 2023 USD ($)
Commitments and Contingencies Additional Textual [Abstract]
Remaining environmental accrued liability recorded					$ 0	$ 0
Settlement amount			$ 50,000,000.0
Obligatory monthly deposit into sinking fund account per barrel of oil | $ / bbl					0.25
Number of escrow funding agreements | agreement				2
Sinking fund account maximum value upon which obligation ceases				$ 172,600,000	$ 4,300,000
Beta's decommissioning obligations, cash					7,000,000.0
Beta's decommissioning obligations, full supported by surety bonds					161,300,000
Rent expense					8,700,000	7,600,000
Commitment fee expense					1,800,000	1,600,000
Commitment fee/expense					1,900,000	2,000,000.0
Pipeline incident settlement expense					12,000,000	$ 0
Accrued liability pipeline incident					4,888,000
Southern California Pipeline Incident and Oil Release
Commitments and Contingencies Additional Textual [Abstract]
Settlement amount			$ 50,000,000.0
Subsequent Event
Commitments and Contingencies Additional Textual [Abstract]
Amount agreed to be receivable in a settlement							$ 96,500,000
Approximate net payment receivable in a settlement							$ 85,000,000
Pending Litigation | Southern California Pipeline Incident and Oil Release
Commitments and Contingencies Additional Textual [Abstract]
Estimated litigation liability	$ 4,900,000	$ 7,100,000
Installment period		3 years
Probation period	1 year	4 years
Reimbursement amount payable to government agencies		$ 5,800,000
Number of misdemeanor charges | item	6
Pending Litigation | Agreement with the United States government
Commitments and Contingencies Additional Textual [Abstract]
Estimated litigation liability		$ 7,100,000
Installment period		3 years
Probation period		4 years
Reimbursement amount payable to government agencies		$ 5,800,000
Pipeline incident settlement expense					7,100,000
Accrued liability pipeline incident					2,000,000.0
Pipeline incident settlement liability included in Other long-term liabilities					3,100,000
Pending Litigation | Agreement with the State of California
Commitments and Contingencies Additional Textual [Abstract]
Estimated litigation liability	$ 4,900,000
Probation period	1 year
Pipeline incident settlement expense					4,900,000
Accrued liability pipeline incident					2,900,000
Number of misdemeanor charges | item	6
SPBPC Collateral Contractual pipeline and surface facilities abandonment [Member]
Commitments and Contingencies Additional Textual [Abstract]
Restricted Investment - decommissioning of offshore production facilities					$ 4,300,000