Annual report pursuant to Section 13 and 15(d)

Leased Properties - Pinedale LGS (Details)

v3.3.1.900
Leased Properties - Pinedale LGS (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2015
USD ($)
Dec. 31, 2015
USD ($)
facility
mi
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Dec. 20, 2012
USD ($)
Sale Leaseback Transaction [Line Items]            
Long-term debt   $ 151,243,153 $ 151,243,153 $ 63,532,000    
Pinedale Liquids Gathering System [Member]            
Sale Leaseback Transaction [Line Items]            
Length of transmission lines physical assets | mi     150      
Number of Above-ground Central Gathering Facilities | facility     4      
Estimated useful lives of assets     26 years      
Ownership percentage by noncontrolling owners 18.95%          
Non controlling economic interest pinedale GP 81.05%          
Key Bank [Member] | Secured Debt [Member] | Pinedale Liquids Gathering System [Member]            
Sale Leaseback Transaction [Line Items]            
Long-term debt           $ 70,000,000
Assets Leased to Others [Member] | Pinedale Liquids Gathering System [Member]            
Sale Leaseback Transaction [Line Items]            
Depreciation   $ 8,900,000   $ 8,900,000 $ 8,900,000