Rendering

Component: (Network and Table)
Network
2416403 - Disclosure - Asset Retirement Obligations - Schedule of Activities (Details)
(http://www.oxfordresources.com/role/AssetRetirementObligationsScheduleOfActivitiesDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001412347 (http://www.sec.gov/CIK)
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 Analysis [Roll Forward]
 
 
 
Asset retirement obligation, beginning
56,634,000  
50,545,000  
 
Accretion of asset retirement obligations
5,618,000  
5,085,000  
0  
Changes resulting from additional mines
1,197,000  
2,285,000  
 
Changes due to amount and timing of reclamation
66,000  
6,265,000  
 
Payments
(11,338,000) 
(7,546,000) 
 
Asset retirement obligations, ending
52,177,000  
 
56,634,000  
 
50,545,000  
 
Less current portion
(10,775,000) 
(14,075,000) 
 
Asset retirement obligations, less current portion
41,402,000  
42,559,000