Quarterly report pursuant to Section 13 or 15(d)

Leases Leases (Details)

v2.4.0.8
Leases Leases (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2013
Pinedale Liquids Gathering System [Member]
   
Operating Leased Assets [Line Items]    
Percentage of total leased properties 94.20% 94.20%
Percentage of leased property revenue 88.68% 88.68%
Public Service Copmany of New Mexico [Member]
   
Operating Leased Assets [Line Items]    
Percentage of total leased properties 5.80% 5.80%
Percentage of leased property revenue 0.00% 11.32%