Segment Information (Tables)

12 Months Ended

Dec. 31, 2013

Text Block [Abstract]

Schedule of Segment Reporting Information by Segment

The following table presents information about our reportable segments.

	For the Year Ended December 31,
	2013		2012		2011
(in thousands)
Operating Revenues, Unaffiliated Customers
Regulated Energy	$	263,573	$	245,042	$	255,405
Unregulated Energy	161,760		130,020		149,586
Other	18,973		17,440		13,036
Total operating revenues, unaffiliated customers	$	444,306	$	392,502	$	418,027
Intersegment Revenues(1)
Regulated Energy	$	1,064	$	1,166	$	821
Unregulated Energy	4,963		3,029		—
Other	1,017		917		793
Total intersegment revenues	$	7,044	$	5,112	$	1,614
Operating Income
Regulated Energy	$	50,084	$	46,999	$	43,911
Unregulated Energy	12,353		8,355		9,619
Other	297		1,281		175
Operating Income	62,734		56,635		53,705
Other income	372		271		906
Interest charges	8,234		8,747		9,000
Income Before Income taxes	54,872		48,159		45,611
Income taxes	22,085		19,296		17,989
Net Income	$	32,787	$	28,863	$	27,622
Depreciation and Amortization
Regulated Energy	$	19,822	$	18,653	$	16,512
Unregulated Energy	3,686		3,420		3,229
Other and eliminations	457		437		412
Total depreciation and amortization	$	23,965	$	22,510	$	20,153
Capital Expenditures
Regulated Energy	$	95,944	$	69,056	$	37,104
Unregulated Energy	4,829		3,969		2,432
Other	7,266		5,185		4,895
Total capital expenditures	$	108,039	$	78,210	$	44,431

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

	As of December 31,
	2013		2012
Identifiable Assets
Regulated Energy	$	708,950	$	615,438
Unregulated Energy	100,585		79,287
Other	27,987		39,021
Total identifiable assets	$	837,522	$	733,746