Quarterly report pursuant to Section 13 or 15(d)

Asset Retirement Obligations (Details)

v3.19.2
Asset Retirement Obligations (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Jun. 30, 2019
USD ($)
well
Jun. 30, 2018
USD ($)
Dec. 31, 2018
USD ($)
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]          
Asset retirement obligations at January 1, 2019     $ 14,292    
Accretion expense $ 216 $ 206 457 $ 424  
Liabilities incurred     199    
Liabilities settled     (630)    
Dispositions     (1,701)    
Revisions to estimate     (199)    
Asset retirement obligations at end of period 12,418   12,418    
Less: Current asset retirement obligations (3,103)   (3,103)   $ (3,887)
Long-term asset retirement obligations at June 30, 2019 9,315   $ 9,315   10,405
Number of wells retired | well     20    
Restricted Investments          
Restricted investments $ 3,468   $ 3,468   $ 3,424