Revenue Revenue (Tables)

3 Months Ended

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

The following table presents our disaggregated revenue:

	Three Months Ended March 31, 2018
In thousands	Utility			Gas Storage		Other		Total
Local gas distribution revenue	$	258,229		$	—	$	—	$	258,229
Gas storage revenue, net	—			3,788		—		3,788
Asset management revenue, net	—			1,445		—		1,445
Appliance retail center revenue	—			—		1,546		1,546
Revenue from contracts with customers	258,229			5,233		1,546		265,008
Alternative revenue	(372		)	—		—		(372		)
Leasing revenue	76			—		—		76
Total operating revenues	$	257,933		$	5,233	$	1,546	$	264,712