Rendering

Component: (Network and Table)
Network
100820 - Disclosure - Asset Retirement Obligations - Changes in Carrying Amount of Asset Retirement Obligations (Details)
(http://www.foresight.com/20161231/taxonomy/role/DisclosureAssetRetirementObligationsChangesInCarryingAmountOfAssetRetirementObligationsDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001540729 (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]
 
 
 
Beginning balance
43,295,000  
35,580,000  
21,225,000  
Accretion expense
3,376,000  
2,267,000  
1,621,000  
Adjustments for liabilities incurred or changes in estimates
(1,283,000) 
6,579,000  
13,747,000  
Expenditures for reclamation activities
(471,000) 
(1,131,000) 
(1,013,000) 
Ending balance
44,917,000  
 
43,295,000  
 
35,580,000  
 
Less: current portion of asset retirement obligations
(7,273,000) 
(18,000) 
(4,207,000) 
Noncurrent portion of asset retirement obligations
37,644,000  
43,277,000  
31,373,000