Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Operating Revenues
Regulated Energy	$ 70,996	$ 67,395	$ 168,650	$ 156,611
Unregulated Energy and other	54,088	34,947	141,594	92,027
Total Operating Revenues	125,084	102,342	310,244	248,638
Operating Expenses
Regulated Energy cost of sales	24,167	21,635	64,411	56,540
Unregulated Energy and other cost of sales	40,505	22,934	101,260	56,958
Operations	30,408	28,087	63,321	55,246
Maintenance	3,403	2,904	6,634	5,383
Gain From A Settlement	(130)	(130)	(130)	(130)
Depreciation and amortization	9,094	7,780	17,906	15,283
Other taxes	3,971	3,390	8,501	7,236
Total Operating Expenses	111,418	86,600	261,903	196,516
Operating Income	13,666	15,742	48,341	52,122
Other expense, net	(607)	(8)	(884)	(42)
Interest charges	3,073	2,624	5,811	5,274
Income Before Income Taxes	9,986	13,110	41,646	46,806
Income taxes	3,940	5,081	16,456	18,410
Net Income	$ 6,046	$ 8,029	$ 25,190	$ 28,396
Weighted Average Common Shares Outstanding:
Basic (shares)	16,340,665	15,315,020	16,329,009	15,300,931
Diluted (shares)	16,382,207	15,352,702	16,373,038	15,342,287
Earnings Per Share of Common Stock:
Basic (in dollars per share)	$ 0.37	$ 0.52	$ 1.54	$ 1.86
Diluted (in dollars per share)	0.37	0.52	1.54	1.85
Cash Dividends Declared Per Share of Common Stock (in dollars per share)	$ 0.325	$ 0.305	$ 0.63	$ 0.5925