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Asset Retirement Obligations - Schedule of Asset Retirement Obligations (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Asset Retirement Obligation Disclosure [Abstract]    
Balance, beginning of year $ 819 $ 939
Accretion 23 22
Sold/Plugged (12) (130)
New drilled wells 2
Change in discount rate (14)
Liabilities incurred for acquisition of New Horizon wells 163
Liabilities incurred for acquisition of FieldPoint wells 236
Balance, end of period $ 1,229 $ 819