Segment Information

3 Months Ended

Mar. 31, 2023

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The following table presents summary financial information concerning the reportable segment and other.

	Three Months Ended March 31,
In thousands	NGD		Other (NW Natural)		NW Natural		Other (NW Holdings)		NW Holdings
2023
Operating revenues	$	447,770	$	6,743	$	454,513	$	7,910	$	462,423
Depreciation	29,858		286		30,144		1,321		31,465
Income (loss) from operations	109,159		4,969		114,128		(620)		113,508
Net income (loss)	71,951		3,589		75,540		(3,869)		71,671
Capital expenditures	63,642		(44)		63,598		7,667		71,265
Total assets at March 31, 2023	4,246,245		54,390		4,300,635		291,461		4,592,096
2022
Operating revenues	$	341,398	$	5,226	$	346,624	$	3,677	$	350,301
Depreciation	27,373		264		27,637		792		28,429
Income (loss) from operations	85,663		2,888		88,551		(913)		87,638
Net income (loss)	55,390		2,026		57,416		(1,177)		56,239
Capital expenditures	64,280		37		64,317		4,197		68,514
Total assets at March 31, 2022	3,835,222		51,598		3,886,820		167,814		4,054,634
Total assets at December 31, 2022	4,392,699		60,019		4,452,718		295,608		4,748,326

NGD Margin

The following table presents additional segment information concerning NGD margin:

	Three Months Ended March 31,
In thousands	2023		2022
NGD margin calculation:
NGD distribution revenues	$	443,061	$	336,487
Other regulated services	4,709		4,911
Total NGD operating revenues	447,770		341,398
Less: NGD cost of gas	205,805		145,644
Environmental remediation	5,375		4,698
Revenue taxes	18,975		13,324
NGD margin	$	217,615	$	177,732