Segment Information Segment Information (Tables)

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

The following table presents information about our reportable segments.

	For the Year Ended December 31,
	2014		2013		2012
(in thousands)
Operating Revenues, Unaffiliated Customers
Regulated Energy	$	299,345	$	263,573	$	245,042
Unregulated Energy	184,557		161,760		130,020
Other	14,932		18,973		17,440
Total operating revenues, unaffiliated customers	$	498,834	$	444,306	$	392,502
Intersegment Revenues(1)
Regulated Energy	$	1,097	$	1,064	$	1,166
Unregulated Energy	404		4,963		3,029
Other	979		1,017		917
Total intersegment revenues	$	2,480	$	7,044	$	5,112
Operating Income
Regulated Energy	$	50,451	$	50,084	$	46,999
Unregulated Energy	11,723		12,353		8,355
Other	105		297		1,281
Operating Income	62,279		62,734		56,635
Gain from sale of businesses	7,139		—		—
Other income	101		372		271
Interest charges	9,482		8,234		8,747
Income Before Income taxes	60,037		54,872		48,159
Income taxes	23,945		22,085		19,296
Net Income	$	36,092	$	32,787	$	28,863
Depreciation and Amortization
Regulated Energy	$	21,915	$	19,822	$	18,653
Unregulated Energy	3,994		3,686		3,420
Other and eliminations	407		457		437
Total depreciation and amortization	$	26,316	$	23,965	$	22,510
Capital Expenditures
Regulated Energy	$	84,959	$	95,944	$	69,056
Unregulated Energy	9,648		4,829		3,969
Other	3,450		7,266		5,185
Total capital expenditures	$	98,057	$	108,039	$	78,210

⁽¹⁾ All significant intersegment revenues are billed at market rates and have been eliminated from consolidated revenues.

	As of December 31,
	2014		2013
Identifiable Assets
Regulated Energy	$	796,021	$	708,950
Unregulated Energy	84,732		100,585
Other	23,716		27,987
Total identifiable assets	$	904,469	$	837,522