CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($) $ / shares shares	Sep. 30, 2014 USD ($) $ / shares shares	Sep. 30, 2015 USD ($) $ / shares shares	Sep. 30, 2014 USD ($) $ / shares shares
Operating Revenues:
Utility	$ 57,507	$ 60,756	$ 399,332	$ 339,988
Nonutility	83,555	61,671	302,393	265,911
Total Operating Revenues	141,062	122,427	701,725	605,899
Cost of Sales - (Excluding depreciation)
- Utility	21,808	23,205	191,683	150,905
- Nonutility	77,316	52,868	240,093	232,253
Operations	33,150	29,939	108,813	99,941
Maintenance	4,188	3,275	12,114	9,715
Depreciation	18,422	16,057	52,671	46,543
Energy and Other Taxes	1,231	1,196	4,693	4,390
Total Operating Expenses	156,115	126,540	610,067	543,747
Operating Loss	(15,053)	(4,113)	91,658	62,152
Other Income and Expense	2,241	3,419	7,522	9,972
Interest Charges	(8,107)	(6,768)	(24,182)	(20,698)
Loss Before Income Taxes	(20,919)	(7,462)	74,998	51,426
Income Taxes	10,968	8,325	(2,366)	5,966
Equity in Loss of Affiliated Companies	(2,581)	(5,139)	(17,970)	(3,756)
Loss from Continuing Operations	(12,532)	(4,276)	54,662	53,636
Loss from Discontinued Operations - (Net of tax benefit)	(91)	(120)	(441)	(513)
Net Loss	$ (12,623)	$ (4,396)	$ 54,221	$ 53,123
Basic Earnings Per Common Share:
Continuing Operations (in dollars per share) | $ / shares	$ (0.18)	$ (0.07)	$ 0.80	$ 0.81
Discontinued Operations (in dollars per share) | $ / shares	0.00	0.00	(0.01)	0.00
Basic Earnings Per Common Share (in dollars per share) | $ / shares	$ (0.18)	$ (0.07)	$ 0.79	$ 0.81
Average Shares of Common Stock Outstanding - Basic (in shares) | shares	68,607	66,332	68,491	65,932
Diluted Earnings Per Common Share:
Continuing Operations (in dollars per share) | $ / shares	$ (0.18)	$ (0.07)	$ 0.80	$ 0.81
Discontinued Operations (in dollars per share) | $ / shares	0.00	0.00	(0.01)	0.00
Diluted Earnings Per Common Share (in dollars per share) | $ / shares	$ (0.18)	$ (0.07)	$ 0.79	$ 0.81
Average Shares of Common Stock Outstanding - Diluted (in shares) | shares	68,607	66,332	68,689	66,082
Dividends Declared Per Common Share (in dollars per share) | $ / shares	$ 0.25	$ 0.24	$ 0.75	$ 0.71