Quarterly report pursuant to Section 13 or 15(d)

Asset Retirement Obligations (Details)

v3.19.3
Asset Retirement Obligations (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2019
USD ($)
well
Sep. 30, 2018
USD ($)
Dec. 31, 2018
USD ($)
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]          
Asset retirement obligations at January 1, 2019     $ 14,292    
Accretion expense $ 128 $ 202 585 $ 626  
Liabilities incurred     325    
Liabilities settled     (3,187)    
Dispositions     (1,753)    
Revisions to estimate     (718)    
Asset retirement obligations at end of period 9,544   9,544    
Less: Current asset retirement obligations (1,250)   (1,250)   $ (3,887)
Long-term asset retirement obligations at September 30, 2019 8,294   $ 8,294   10,405
Number of wells retired | well     28    
Restricted Investments          
Restricted investments $ 3,490   $ 3,490   $ 3,424