Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000073020-14-000017-index-headers.html | 2014-08-05 14:33:37 | |
| 0000073020-14-000017-index.html | 2014-08-05 14:33:37 | |
| 0000073020-14-000017.txt | 2014-08-05 14:33:37 | |
 0000073020-14-000017-xbrl.zip | 165265 | 2014-08-05 14:33:37 |
| FilingSummary.xml | 21481 | 2014-08-05 14:33:37 |
| Financial_Report.xls | 1369768 | 2014-08-05 14:33:37 |
| Financial_Report.xlsx | 179272 | 2014-08-05 14:33:37 |
 logoformq22014.jpg | 3209 | 2014-08-05 14:33:37 |
| nwn-20140630.xml | 1598995 | 2014-08-05 14:33:37 |
| nwn-20140630.xsd | 41302 | 2014-08-05 14:33:37 |
| nwn-20140630_cal.xml | 71053 | 2014-08-05 14:33:37 |
| nwn-20140630_def.xml | 108052 | 2014-08-05 14:33:37 |
| nwn-20140630_lab.xml | 499760 | 2014-08-05 14:33:37 |
| nwn-20140630_pre.xml | 258482 | 2014-08-05 14:33:37 |
| nwn-2014x630x10q.htm | 1513996 | 2014-08-05 14:33:37 |
| nwn-2014x630x10qxexhibit12.htm | 66412 | 2014-08-05 14:33:37 |
| nwn-2014x630x10qxexhibit311.htm | 9412 | 2014-08-05 14:33:37 |
| nwn-2014x630x10qxexhibit312.htm | 9499 | 2014-08-05 14:33:37 |
| nwn-2014x630x10qxexhibit321.htm | 6535 | 2014-08-05 14:33:37 |
 orgchartq22014.jpg | 130123 | 2014-08-05 14:33:37 |
| R1.htm | 33948 | 2014-08-05 14:33:37 |
| R10.htm | 128233 | 2014-08-05 14:33:37 |
| R11.htm | 18681 | 2014-08-05 14:33:37 |
| R12.htm | 23785 | 2014-08-05 14:33:37 |
| R13.htm | 116128 | 2014-08-05 14:33:37 |
| R14.htm | 33924 | 2014-08-05 14:33:37 |
| R15.htm | 40545 | 2014-08-05 14:33:37 |
| R16.htm | 30176 | 2014-08-05 14:33:37 |
| R17.htm | 8519 | 2014-08-05 14:33:37 |
| R18.htm | 83286 | 2014-08-05 14:33:37 |
| R19.htm | 89972 | 2014-08-05 14:33:37 |
| R2.htm | 72661 | 2014-08-05 14:33:37 |
| R20.htm | 85189 | 2014-08-05 14:33:37 |
| R21.htm | 40589 | 2014-08-05 14:33:37 |
| R22.htm | 124356 | 2014-08-05 14:33:37 |
| R23.htm | 9953 | 2014-08-05 14:33:37 |
| R24.htm | 14936 | 2014-08-05 14:33:37 |
| R25.htm | 111077 | 2014-08-05 14:33:37 |
| R26.htm | 30318 | 2014-08-05 14:33:37 |
| R27.htm | 39647 | 2014-08-05 14:33:37 |
| R28.htm | 25389 | 2014-08-05 14:33:37 |
| R29.htm | 64325 | 2014-08-05 14:33:37 |
| R3.htm | 6682 | 2014-08-05 14:33:37 |
| R30.htm | 70972 | 2014-08-05 14:33:37 |
| R31.htm | 25911 | 2014-08-05 14:33:37 |
| R32.htm | 18537 | 2014-08-05 14:33:37 |
| R33.htm | 32156 | 2014-08-05 14:33:37 |
| R34.htm | 42710 | 2014-08-05 14:33:37 |
| R35.htm | 42647 | 2014-08-05 14:33:37 |
| R36.htm | 30896 | 2014-08-05 14:33:37 |
| R37.htm | 91663 | 2014-08-05 14:33:37 |
| R38.htm | 21297 | 2014-08-05 14:33:37 |
| R39.htm | 22726 | 2014-08-05 14:33:37 |
| R4.htm | 172011 | 2014-08-05 14:33:37 |
| R40.htm | 23301 | 2014-08-05 14:33:37 |
| R41.htm | 8290 | 2014-08-05 14:33:37 |
| R42.htm | 57871 | 2014-08-05 14:33:37 |
| R43.htm | 70594 | 2014-08-05 14:33:37 |
| R5.htm | 9459 | 2014-08-05 14:33:37 |
| R6.htm | 108796 | 2014-08-05 14:33:37 |
| R7.htm | 11713 | 2014-08-05 14:33:37 |
| R8.htm | 91063 | 2014-08-05 14:33:37 |
| R9.htm | 42352 | 2014-08-05 14:33:37 |
| report.css | 2740 | 2014-08-05 14:33:37 |
| Show.js | 1410 | 2014-08-05 14:33:37 |