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Asset Retirement Obligations (Tables)
 12 Months Ended
Dec. 31, 2012
Asset Retirement Obligation [Abstract]  
Schedule of Change in Asset Retirement Obligation [Table Text Block]
The following table is a reconciliation of the carrying amount of the ARO liability for the periods presented.  Changes in assumptions regarding the timing, amount, and probabilities associated with the expected cash flows, as well as the difference in actual versus estimated costs, will result in a change in the amount of the liability recognized.
 
 
Successor
 
 
Predecessor
 
 
Period from Acquisition (March 26, 2012) to December 31, 2012
 
 
Period from January 1, 2012 to March 25, 2012
 
Years Ended December 31,
 
 
 
 
 
2011
 
2010
Beginning balance
 
$
46

 
 
$
46

 
$
62

 
$
62

Incurred
 
—

 
 
—

 
1

 
30

Revisions
 
3

 
 
—

 
—

 
(11
)
Settled
 
(5
)
 
 
—

 
(17
)
 
(20
)
Accretion expense
 
2

 
 
—

 
—

 
1

Ending balance
 
$
46

 
 
$
46

 
$
46

 
$
62