Rendering

Component: (Network and Table)
Network
028 - Disclosure - 12. Asset Retirement Obligation (Tables)
(http://www.isramcousa.com/role/12AssetRetirementObligationTables)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000719209 (http://www.sec.gov/CIK)
Asset Retirement Obligation Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
Asset Retirement Obligation Disclosure [Abstract]
 
Schedule of Change in Asset Retirement Obligation [Table Text Block]
The following table presents the reconciliation of the beginning and ending aggregate carrying amount legal obligations associated with the retirement of oil and gas properties at December 31 (in thousands):

 
  
2016
    
2015
    
2014
  
Liability for asset retirement obligation at  the beginning of the year
  
$
19,884
    
$
20,046
    
$
18,814
  
Liabilities Incurred
    
1
      
17
      
423
  
Liabilities settled and divested
    
(34
)
    
(1,035
)
    
(65
)
Accretion expense
    
897
      
856
      
874
  
Liability for asset retirement obligation at  the end of the year
  
$
20,748
    
$
19,884
    
$
20,046