Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Risk Management Activities (Details)

v2.4.0.8
Derivative Instruments and Risk Management Activities (Details) (USD $)
9 Months Ended
Sep. 30, 2013
item
Derivative Instruments and Risk Management Activities  
Amount of collateral from counterparties $ 0
Number of derivative positions not secured by collateral 1
Past due receivables from counterparties 0
Past due payables to counterparties $ 0