Organization And Basis Of Presentation (Narrative) (Details)	6 Months Ended
	Jun. 30, 2014
OPCO [Member]
Working interest in equity investment	0.50%
Percentage of ownership interest	50.00%
East Texas/North Louisiana JV [Member]
Ownership percentage in joint venture	50.00%
Appalachia JV [Member]
Ownership percentage in joint venture	50.00%
Proportional working interest	49.75%
Compass Production Partners [Member]
Ownership percentage in joint venture	25.50%