Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The following table presents summary financial information concerning the reportable segments of continuing operations. See Note 16 for information regarding the discontinued operation, Gill Ranch.

	Three Months Ended September 30,
In thousands	Utility			Other		Total
2018
Operating revenues	$	85,077		$	6,162	$	91,239
Depreciation and amortization	21,127			358		21,485
Income (loss) from operations	(9,780		)	3,669		(6,111		)
Net income (loss) from continuing operations	(11,983		)	839		(11,144		)
Capital expenditures	55,914			511		56,425
2017
Operating revenues	$	81,126		$	5,087	$	86,213
Depreciation and amortization	20,023			329		20,352
Income (loss) from operations	(8,624		)	4,084		(4,540		)
Net income (loss) from continuing operations	(10,349		)	2,462		(7,887		)
Capital expenditures	50,009			932		50,941

	Nine Months Ended September 30,
In thousands	Utility		Other		Total
2018
Operating revenues	$	461,525	$	17,916	$	479,441
Depreciation and amortization	62,436		1,071		63,507
Income from operations	59,521		10,388		69,909
Net income from continuing operations	24,930		5,598		30,528
Capital expenditures	156,609		2,186		158,795
Total assets at September 30, 2018(1)	2,972,066		96,697		3,068,763
2017
Operating revenues	$	503,947	$	12,466	$	516,413
Depreciation and amortization	59,541		988		60,529
Income from operations	81,661		9,315		90,976
Net income from continuing operations	31,980		5,605		37,585
Capital expenditures	143,128		2,146		145,274
Total assets at September 30, 2017(1)	2,835,860		63,563		2,899,423
Total assets at December 31, 2017(1)	2,961,326		64,546		3,025,872

⁽¹⁾ Total assets exclude assets related to discontinued operations of $12.6 million, $206.2 million, and $13.9 million as of September 30, 2018, September 30, 2017, and December 31, 2017, respectively.

Utility Margin

The following table presents additional segment information concerning utility margin:

	Three Months Ended September 30,				Nine Months Ended September 30,
In thousands	2018		2017		2018		2017
Utility margin calculation:
Utility operating revenues	$	85,077	$	81,126	$	461,525	$	503,947
Less: Utility cost of gas	25,593		27,239		175,864		223,855
Environmental remediation expense	1,022		1,355		7,528		10,920
Revenue taxes(1)	3,522		—		20,731		—
Utility margin	$	54,940	$	52,532	$	257,402	$	269,172

⁽¹⁾  The change in presentation of revenue taxes was a result of the adoption of ASU 2014-09 "Revenue From Contracts with Customers" and all related amendments on January 1, 2018. This change had no impact on utility margin results as revenue taxes were previously presented net in utility operating revenue. For additional information, see Note 2.