Segment Information (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Schedule of Segment Reporting Information by Segment

The following table presents financial information about our reportable segments:

	Three Months Ended
	March 31,
	2018		2017
(in thousands)
Operating Revenues, Unaffiliated Customers
Regulated Energy segment	$	105,954	$	96,446
Unregulated Energy segment and other businesses	133,402		88,714
Total operating revenues, unaffiliated customers	$	239,356	$	185,160
Intersegment Revenues (1)
Regulated Energy segment	$	3,439	$	1,208
Unregulated Energy segment	11,965		4,011
Other businesses	194		228
Total intersegment revenues	$	15,598	$	5,447
Operating Income
Regulated Energy segment	$	26,711	$	23,395
Unregulated Energy segment	13,684		11,575
Other businesses and eliminations	11		129
Total operating income	40,406		35,099
Other income (expense), net	68		(700		)
Interest charges	3,664		2,739
Income before Income Taxes	36,810		31,660
Income taxes	9,955		12,516
Net Income	$	26,855	$	19,144

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

(in thousands)	March 31, 2018		December 31, 2017
Identifiable Assets
Regulated Energy segment	$	1,148,635	$	1,121,673
Unregulated Energy segment	246,230		261,541
Other businesses and eliminations	32,585		34,220
Total identifiable assets	$	1,427,450	$	1,417,434