Long-Term Debt Minimum EBITDAX Covenant (Details) (Subsequent Event [Member], Minimum [Member], Combined Credit Agreements [Member], USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Three Months Ended December 31, 2014 [Member]
Debt Instrument [Line Items]
Minimum EBITDAX Covenant	$ 30.00
Six months ending March 31, 2015 [Member]
Debt Instrument [Line Items]
Minimum EBITDAX Covenant	59.00
Nine months ending June 30, 2015 [Member]
Debt Instrument [Line Items]
Minimum EBITDAX Covenant	87.25
Twelve months ending September 30, 2015 [Member]
Debt Instrument [Line Items]
Minimum EBITDAX Covenant	120.50
Twelve months ending December 31, 2015 [Member]
Debt Instrument [Line Items]
Minimum EBITDAX Covenant	$ 122.00