Annual report pursuant to Section 13 and 15(d)

COMMITMENTS (Details)

v3.22.4
COMMITMENTS (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Expense Relating To Surety Bonds Paid $ 8,300 $ 6,000 $ 5,400
Surety Bonds [Member] | Other Commitment [Member]      
Bonding Requirement, Related To Purchase of Properties Minimum Amount 64,000    
Bonding Requirement Related To Purchase of Properties Maximum Amount 94,000    
Surety Bonds [Member] | Total E&P [Member]      
Bonding Requirement Related to Purchase of Properties Amount Current Year. 100,400    
Escrow Deposit 0    
Bonding Requirement Related to Purchase of Properties Amount, Fifth Anniversary. 103,000    
Surety Bonds [Member] | Exxon [Member]      
Bonding Requirement, Related To Purchase of Properties Minimum Amount 36,300    
Other Commitment, Fiscal Year Maturity [Abstract]      
2023 40,000    
2024 44,000    
2025 48,300    
2026 53,200    
2027 58,500    
Thereafter 114,000    
Surety Bonds [Member] | Exxon [Member] | Minimum [Member]      
Annual Increase In Other Commitment 5,900    
Surety Bonds [Member] | Exxon [Member] | Maximum [Member]      
Annual Increase In Other Commitment 10,400    
Surety Bonds [Member] | Conoco [Member]      
Bonding Requirement, Related To Purchase of Properties Minimum Amount 49,000    
Heidelberg Field [Member]      
Other Commitment Expense $ 1,600 $ 2,100 $ 4,500