Subsequent Events (Details)	9 Months Ended	0 Months Ended	9 Months Ended	0 Months Ended	9 Months Ended	0 Months Ended	9 Months Ended
	Sep. 30, 2012 Natural Gas contract 1 [Member] Costless Collar Contracts [Member]	Oct. 31, 2012 Natural Gas contract 1 [Member] Swap Contracts [Member]	Sep. 30, 2012 Natural Gas contract 2 [Member] Costless Collar Contracts [Member]	Oct. 31, 2012 Natural Gas contract 2 [Member] Swap Contracts [Member]	Sep. 30, 2012 Natural Gas contract 3 [Member] Costless Collar Contracts [Member]	Oct. 31, 2012 Natural Gas contract 3 [Member] Swap Contracts [Member]	Sep. 30, 2012 Natural Gas Contract 4 [Member] Costless Collar Contracts [Member]
Open Costless Collar Contracts For Natural Gas
Calculation Period	01/01/2013 - 12/31/2013	11/01/2012 - 11/30/2012	01/01/2013 - 12/31/2013	12/01/2012 - 12/31/2012	01/01/2014 - 12/31/2014	01/01/2013 - 12/31/2013	01/01/2014 - 12/31/2014
Notional Quantity	100,000	12,000	100,000	12,000	100,000	12,000	100,000
Price Floor	3.00		3.00		3.25		3.25
Price Ceiling	4.95		4.96		5.37		5.42
Commodity fixed price		2.200		2.120		2.025