XML 81 R38.htm IDEA: XBRL DOCUMENT v2.4.0.6
Derivative Financial Instruments (Tables)
9 Months Ended
Sep. 30, 2012
Derivative Financial Instruments  
Components of gain (loss) on derivatives, net
  Three Months Ended
September 30,
  Nine Months Ended
September 30,
 
 
  2012   2011   2012   2011  

Realized gain (loss) on derivative agreements

  $ (53,272 ) $ 66   $ (80,426 ) $ (18,298 )

Unrealized (loss) on derivative agreements

    (115,699 )   (9,991 )   (196,980 )   (6,801 )
                   

Total gain (loss) on derivatives, net

  $ (168,971 ) $ (9,925 ) $ (277,406 ) $ (25,099 )