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ACQUISITION OF MGE Part 2 - Pro Forma Information, Revenues and Earnings of Acquiree (Details) (Missouri Gas Energy (MGE) [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	1 Months Ended
	Sep. 30, 2013
Missouri Gas Energy (MGE) [Member]
Pro Forma Information of Acquiree since Acquisition Date
Total net revenues	$ 21,985
Net Income	$ 1,795
Earnings/(loss) per share:
Basic (in dollars per share)	$ 0.07
Diluted (in dollars per share)	$ 0.07

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