Quarterly report pursuant to Section 13 or 15(d)

REVOLVING LINE OF CREDIT (Details)

v3.21.2
REVOLVING LINE OF CREDIT (Details)
 3 Months Ended 6 Months Ended
Mar. 31, 2021
Jun. 30, 2021
USD ($)
Jun. 10, 2021
USD ($)
bbl
Dec. 31, 2020
USD ($)
Apr. 30, 2019
USD ($)
Line of Credit Facility [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity         $ 1,000,000,000
Line of Credit Facility, Current Borrowing Capacity     $ 350,000,000    
Debt Instrument, Basis Spread on Variable Rate   0.00%      
Leverage Ratio, Total 4.25        
Long-term Line of Credit   $ 300,500,000   $ 313,000,000  
Minimum          
Line of Credit Facility [Line Items]          
Debt Instrument, Basis Spread on Variable Rate   1.50%      
Leverage Ratio, Total   1.0      
Current Ratio   1.0      
Minimum | 2022          
Line of Credit Facility [Line Items]          
Number of barrels per day | bbl     3,100    
Maximum          
Line of Credit Facility [Line Items]          
Debt Instrument, Basis Spread on Variable Rate   2.50%      
Leverage Ratio, Total   4.0      
Current Ratio   1.0      
Maximum | 2022          
Line of Credit Facility [Line Items]          
Number of barrels per day | bbl     4,000    
Federal Funds Purchased          
Line of Credit Facility [Line Items]          
Debt Instrument, Basis Spread on Variable Rate   0.50%      
London Interbank Offered Rate (LIBOR)          
Line of Credit Facility [Line Items]          
Debt Instrument, Basis Spread on Variable Rate   1.00%      
London Interbank Offered Rate (LIBOR) | Minimum          
Line of Credit Facility [Line Items]          
Debt Instrument, Basis Spread on Variable Rate   2.50%      
London Interbank Offered Rate (LIBOR) | Maximum          
Line of Credit Facility [Line Items]          
Debt Instrument, Basis Spread on Variable Rate   3.50%