|
Subsequent Events (Details) (Subsequent Event [Member], Swap [Member], Natural Gas [Member])
|
Oct. 31, 2013
|
|---|---|
|
Natural Gas Fixed Price Swap, January 2014 Through April 2016 [Member]
|
|
| Derivative [Line Items] | |
| Notional quantity | 30,000 |
| Average fixed price | 4.11 |
|
Natual Gas Fixed Price Swap, January 2015 Through April 2016 [Member]
|
|
| Derivative [Line Items] | |
| Notional quantity | 40,000 |
| Average fixed price | 4.15 |
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
The number of derivative instruments of a particular group held by the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Average fixed price related to the group of price risk swap derivatives. No definition available.
|