Related Party Transactions Table (Details) (Pioneer Natural Resources Co [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Related Party Transaction [Line Items]        
Related Party Charges $ 21,880 $ 16,589 $ 41,683 $ 32,855
Producing well overhead (COPAS) fees [Member]
       
Related Party Transaction [Line Items]        
Related Party Charges 3,122 2,830 6,009 5,498
Payment of lease operating and supervision charges [Member]
       
Related Party Transaction [Line Items]        
Related Party Charges 3,349 2,372 5,990 4,886
Drilling and completion related charges [Member]
       
Related Party Transaction [Line Items]        
Related Party Charges 14,315 10,374 27,334 20,229
General and Administrative Expense [Member]
       
Related Party Transaction [Line Items]        
Related Party Charges $ 1,094 $ 1,013 $ 2,350 $ 2,242