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Commitments and Contingencies - Additional Information (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2024
USD ($)
agreement
Dec. 31, 2021
USD ($)
agreement
Dec. 31, 2023
USD ($)
Commitments and Contingencies:      
Remaining environmental accrued liability recorded $ 0   $ 0
Sinking fund account maximum value upon which obligation ceases 4,300,000 $ 172,600,000  
Beta's decommissioning obligations, full supported by surety bonds 161,300,000    
Beta's decommissioning obligations, cash $ 17,600,000    
Number of escrow funding agreements | agreement   2  
Number of escrow funding agreements amended | agreement 1    
Escrow funded yearly amount $ 8,000,000.0 $ 14,800,000  
SPBPC Collateral contractual pipeline and surface facilities abandonment      
Commitments and Contingencies:      
Restricted Investment - decommissioning of offshore production facilities $ 4,500,000