Derivative Instruments (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Derivative Instruments (Textual) [Abstract]
Liability fair value	$ (1,100,000)
Realization of gain, net of taxes	(700,000)
Gas hedges [Member]
Derivative Instruments (Textual) [Abstract]
Net settlement of hedges	1,098,000	6,846,000	2,609,000
NGL hedges [Member]
Derivative Instruments (Textual) [Abstract]
Net settlement of hedges	61,000	722,000	0
Crude Oil [Member]
Derivative Instruments (Textual) [Abstract]
Net settlement of hedges	$ (232,000)	$ 1,529,000	$ (192,000)