- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

+ References+ Details

Derivative Instruments (Details Textual) (USD $)	6 Months Ended						3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
Derivative Instruments (Details Textual) (USD $)	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Jun. 30, 2014 Gas hedges [Member]	Jun. 30, 2013 Gas hedges [Member]	Jun. 30, 2014 Gas hedges [Member]	Jun. 30, 2013 Gas hedges [Member]	Jun. 30, 2014 Crude Oil [Member]	Jun. 30, 2013 Crude Oil [Member]	Jun. 30, 2014 Crude Oil [Member]	Jun. 30, 2013 Crude Oil [Member]
Derivatives, Fair Value [Line Items]
Gain or loss recognized in oil and gas contracts							$ (2,170,000)	$ (877,000)	$ (5,139,000)	$ (345,000)	$ (672,000)	$ (1,000)	$ (1,106,000)	$ (146,000)
Accumulated other comprehensive loss	(3,654,000)	(4,514,000)	(1,096,000)	1,418,000	(3,389,000)	521,000
Realization of gain, net of taxes	$ (2,400,000)