Quarterly report pursuant to Section 13 or 15(d)

Reconciliation of Gross Assets and Liabilities and Netting Agreements on Fair Value of Open Derivative Contracts (Details)

v2.4.0.8
Reconciliation of Gross Assets and Liabilities and Netting Agreements on Fair Value of Open Derivative Contracts (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Derivative Assets  
Fair value of commodity derivative contracts $ 317
Amounts not offset in the balance sheet (317)
Net amounts   
Derivative Liability  
Fair value of commodity derivative contracts 9,050
Amounts not offset in the balance sheet (317)
Net amounts $ 8,733