Rendering

Component: (Network and Table)
Network
2410402 - Disclosure - Asset Retirement Obligations (ARO) (Details)
(http://www.murphyusa.com/role/AssetRetirementObligationsAroDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Asset Retirement Obligation Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Asset Retirement Obligation Disclosure [Abstract]
 
 
 
Asset Retirement Obligation Roll Forward
 
 
 
Balance at beginning of period
24,345,000  
22,245,000  
 
Accretion expense
1,650,000  
1,521,000  
1,200,000  
Settlements of liabilities
(174,000) 
0  
 
Liabilities incurred
379,000  
579,000  
 
Balance at end of period
26,200,000  
 
24,345,000  
 
22,245,000