Revenue

3 Months Ended

Mar. 31, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following tables present disaggregated revenue from continuing operations:

	Three Months Ended March 31,
In thousands	NGD		Other (NW Natural)		NW Natural		Other (NW Holdings)		NW Holdings
2021
Natural gas sales	$	296,083	$	—	$	296,083	$	—	$	296,083
Gas storage revenue, net	—		2,495		2,495		—		2,495
Asset management revenue, net	—		6,928		6,928		—		6,928
Appliance retail center revenue	—		1,589		1,589		—		1,589
Other revenue	415		—		415		3,596		4,011
Revenue from contracts with customers	296,498		11,012		307,510		3,596		311,106
Alternative revenue	453		—		453		—		453
Leasing revenue	4,387		—		4,387		—		4,387
Total operating revenues	$	301,338	$	11,012	$	312,350	$	3,596	$	315,946
2020
Natural gas sales	$	274,004	$	—	$	274,004	$	—	$	274,004
Gas storage revenue, net	—		2,336		2,336		—		2,336
Asset management revenue, net	—		150		150		—		150
Appliance retail center revenue	—		1,556		1,556		—		1,556
Other revenue	337		—		337		2,622		2,959
Revenue from contracts with customers	274,341		4,042		278,383		2,622		281,005
Alternative revenue	(472)		—		(472)		—		(472)
Leasing revenue	4,618		—		4,618		—		4,618
Total operating revenues	$	278,487	$	4,042	$	282,529	$	2,622	$	285,151