Quarterly report pursuant to Section 13 or 15(d)

Asset Retirement Obligations - Schedule of Fair value of Asset Retirement Obligations (Details)

v3.21.2
Asset Retirement Obligations - Schedule of Fair value of Asset Retirement Obligations (Details)
3 Months Ended
Mar. 31, 2020
Minimum [Member]  
Inflation rate 1.92%
Estimated asset life 15 years
Maximum [Member]  
Inflation rate 2.15%
Estimated asset life 21 years