Revenue (Tables)

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table presents disaggregated revenue from continuing operations:

	Three Months Ended March 31,
In thousands	NGD			Other (NW Natural)		NW Natural			Other (NW Holdings)		NW Holdings
2019
Natural gas sales	$	296,186		$	—	$	296,186		$	—	$	296,186
Gas storage revenue, net	—			2,783		2,783			—		2,783
Asset management revenue, net	—			1,506		1,506			—		1,506
Appliance retail center revenue	—			1,516		1,516			—		1,516
Other revenue	—			—		—			502		502
Revenue from contracts with customers	296,186			5,805		301,991			502		302,493
Alternative revenue	(17,253		)	—		(17,253		)	—		(17,253		)
Leasing revenue	108			—		108			—		108
Total operating revenues	$	279,041		$	5,805	$	284,846		$	502	$	285,348
2018
Natural gas sales	$	258,229		$	—	$	258,229		$	—	$	258,229
Gas storage revenue, net	—			2,577		2,577			—		2,577
Asset management revenue, net	—			1,579		1,579			—		1,579
Appliance retail center revenue	—			1,546		1,546			—		1,546
Other revenue	—			—		—			—		—
Revenue from contracts with customers	258,229			5,702		263,931			—		263,931
Alternative revenue	(372		)	—		(372		)	—		(372		)
Leasing revenue	76			—		76			—		76
Total operating revenues	$	257,933		$	5,702	$	263,635		$	—	$	263,635