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Other Noncurrent Liabilities (Notes)
 12 Months Ended
Dec. 31, 2012
Other Liabilities, Noncurrent [Abstract]  
Other Noncurrent Liabilities
OTHER NONCURRENT LIABILITIES

Other noncurrent liabilities are as follows (in thousands):
 
December 31,
2012
 
December 31,
2011
Asset retirement obligations
$
47

 
$
44

Environmental liabilities
—

 
2,621

Total Other Noncurrent Liabilities
$
47

 
$
2,665


For further discussion related to environmental liabilities and AROs, see Note K.