Significant Accounting Policies (Details Textuals) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Significant Accounting Policies Details [Abstract]
Gathering facilities impairment charges		$ 92,500,000
Discount Rate Future Net Revenues	10.00%
Ceiling test limitation		2,900,000,000
Inventory	5,200,000
Valuation allowance	363,400,000	449,800,000
Natural gas imbalance liability	$ 3,300,000	$ 2,100,000