Rendering

Component: (Network and Table)
Network
1081 - Disclosure - Environmental Matters - Summary Roll Forward of Environmental Liabilities, on an Undiscounted Basis (Detail)
(http://www.lehighgaspartners.com/taxonomy/role/DisclosureEnvironmentalMattersSummaryRollForwardOfEnvironmentalLiabilitiesOnAnUndiscountedBasis)
TableSite Contingency [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001538849 (http://www.sec.gov/CIK)
Site Contingency [Line Items]Period [Axis]
2013-01-01 - 2013-12-31
2012-10-31 - 2012-12-31
Legal Entity [Axis]Legal Entity [Axis]
Predecessor [Member]Entity [Domain]Predecessor [Member]Entity [Domain]
Beginning balance
21,208,000  
1,177,000  
 
xsi:nil  
Provision for new environmental losses
 
650,000  
 
 
Changes in estimates for previously incurred losses
373,000  
(144,000) 
 
 
Recoveries from environmental indemnification assets
(3,322,000) 
(445,000) 
 
 
Environmental liabilities acquired in business combinations
 
 
 
1,177,000  
Ending balance
18,259,000  
 
1,238,000  
 
21,208,000  
 
1,177,000  
 
Current portion
 
477,000  
 
591,000  
Long-term portion
 
761,000  
 
586,000