Rendering

Component: (Network and Table)
Network
40802 - Disclosure - Asset Retirement Obligations (Summary Of Changes In Asset Retirement Obligations) (Details)
(http://www.altamesa.net/role/DisclosureAssetRetirementObligationsSummaryOfChangesInAssetRetirementObligationsDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Asset Retirement Obligations [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
2013-12-31
Asset Retirement Obligations [Abstract]
 
 
 
 
Balance, beginning of year
61,220,000  
62,872,000  
56,023,000  
 
Liabilities incurred
1,438,000  
1,988,000  
1,129,000  
 
Liabilities assumed with acquired producing properties
  
3,002,000  
 
Liabilities settled
(2,125,000) 
(1,794,000) 
(3,942,000) 
 
Liabilities transferred in sales of properties
(3,036,000) 
(3,149,000) 
(1,886,000) 
 
Revisions to estimates
1,833,000  
(773,000) 
6,348,000  
 
Accretion expense
2,174,000  
2,076,000  
2,198,000  
 
Balance, end of period
61,504,000  
 
61,220,000  
 
62,872,000  
 
56,023,000  
 
Less: Current portion
376,000  
729,000  
1,136,000  
 
Long-term portion
61,128,000  
60,491,000  
61,736,000