XML 62 R81.htm IDEA: XBRL DOCUMENT v3.20.1
DERIVATIVE FINANCIAL INSTRUMENTS (Details)
Oct. 10, 2018
USD ($)
Oct. 10, 2018
USD ($)
Dec. 31, 2020
Dec. 31, 2019
$ / bbl
Mar. 31, 2019
Dec. 31, 2018
$ / bbl
Aug. 27, 2018
Dec. 31, 2017
$ / bbl
Oct. 27, 2017
Sep. 25, 2017
Number Of Barrels Per Day                   1,000
Payments For Termination Of Derivative Contracts | $ $ 3,438,300 $ 3,438,300                
Call Option                    
Derivative, Price Risk Option Strike Price           54.60   55.35    
Put Option                    
Derivative, Price Risk Option Strike Price           49.00   49.00    
Additional Derivative Contracts                    
Derivative, Price Risk Option Strike Price       60.00            
Number Of Barrels Per Day         2,000   2,000   1,000  
Additional Derivative Contracts | Call Option                    
Derivative, Price Risk Option Strike Price       70.05   54.80        
Additional Derivative Contracts | Put Option                    
Derivative, Price Risk Option Strike Price       60.00   51.00        
Additional Derivative Contracts | Scenario Forecast                    
Number Of Barrels Per Day     2,000