Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating Revenues
Regulated Energy	$ 89,216	$ 109,582
Unregulated Energy	57,080	60,499
Total Operating Revenues	146,296	170,081
Operating Expenses
Regulated Energy cost of sales	34,905	57,129
Unregulated Energy and other cost of sales	34,024	35,234
Operations	27,159	26,945
Maintenance	2,479	2,703
Depreciation and amortization	7,503	6,975
Other taxes	3,846	3,587
Total Operating Expenses	109,916	132,573
Operating Income	36,380	37,508
Other (Expense) Income, net	(34)	133
Interest charges	2,650	2,448
Income Before Income Taxes	33,696	35,193
Income taxes	13,329	14,084
Net Income	$ 20,367	$ 21,109
Weighted Average Common Shares Outstanding:
Basic (shares)	15,286,842	14,604,841
Diluted (shares)	15,331,912	14,656,310
Earnings Per Share of Common Stock:
Basic (in dollars per share)	$ 1.33	$ 1.45
Diluted (in dollars per share)	1.33	1.44
Cash Dividends Declared Per Share of Common Stock (in dollars per share)	$ 0.2875	$ 0.27