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Segment Information (Tables)
3 Months Ended
Mar. 31, 2020
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment The following table presents summary financial information concerning the reportable segment and other of continuing operations. See Note 17 for information regarding discontinued operations for NW Holdings and NW Natural.
 
 
Three Months Ended March 31,
In thousands
 
NGD
 
Other
(NW Natural)
 
NW Natural
 
Other
(NW Holdings)
 
NW Holdings
2020
 
 
 
 
 
 
 
 
 
 
Operating revenues
 
$
278,487

 
$
4,042

 
$
282,529

 
$
2,622

 
$
285,151

Depreciation and amortization
 
23,946

 
244

 
24,190

 
485

 
24,675

Income (loss) from operations
 
75,258

 
1,763

 
77,021

 
(575
)
 
76,446

Net income (loss) from continuing operations
 
47,943

 
1,236

 
49,179

 
(903
)
 
48,276

Capital expenditures

56,157

 
77

 
56,234

 
1,212

 
57,446

Total assets at March 31, 2020(1)
 
3,776,650

 
48,746

 
3,825,396

 
160,835

 
3,986,231

2019
 
 
 
 
 
 
 
 
 
 
Operating revenues
 
$
279,041

 
$
5,805

 
$
284,846

 
$
502

 
$
285,348

Depreciation and amortization
 
21,249

 
255

 
21,504

 
68

 
21,572

Income (loss) from operations
 
72,898

 
3,746

 
76,644

 
(599
)
 
76,045

Net income (loss) from continuing operations
 
41,206

 
2,689

 
43,895

 
(477
)
 
43,418

Capital expenditures
 
48,606

 
52

 
48,658

 
106

 
48,764

Total assets at March 31, 2019(1)
 
3,091,062

 
49,566

 
3,140,628

 
35,857

 
3,176,485

Total assets at December 31, 2019(1)
 
3,273,835

 
47,652

 
3,321,487

 
91,833

 
3,413,320


(1)
Total assets for NW Holdings exclude assets related to discontinued operations of $15.3 million, $14.6 million, and $15.1 million as of March 31, 2020, March 31, 2019, and December 31, 2019, respectively.
NGD Margin
The following table presents additional segment information concerning NGD margin:
 
 
Three Months Ended March 31,
In thousands
 
2020
 
2019
NGD margin calculation:
 
 
 
 
NGD distribution revenues
 
$
273,561

 
$
278,983

Other regulated services
 
4,926

 
58

Total NGD operating revenues
 
278,487

 
279,041

Less: NGD cost of gas
 
108,595

 
105,513

          Environmental remediation
 
4,005

 
8,947

Revenue taxes
 
11,743

 
11,926

NGD margin
 
$
154,144

 
$
152,655