Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000110019-20-000009-index-headers.html | 2020-08-03 17:04:28 | |
| 0000110019-20-000009-index.html | 2020-08-03 17:04:28 | |
| 0000110019-20-000009.txt | 2020-08-03 17:04:28 | |
 0000110019-20-000009-xbrl.zip | 101895 | 2020-08-03 17:04:28 |
| FilingSummary.xml | 12705 | 2020-08-03 17:04:28 |
| Financial_Report.xlsx | 32379 | 2020-08-03 17:04:28 |
| MetaLinks.json | 244543 | 2020-08-03 17:04:28 |
| nwp-20200630.xsd | 17685 | 2020-08-03 17:04:28 |
| nwp-20200630_cal.xml | 46930 | 2020-08-03 17:04:28 |
| nwp-20200630_def.xml | 74111 | 2020-08-03 17:04:28 |
| nwp-20200630_lab.xml | 274606 | 2020-08-03 17:04:28 |
| nwp-20200630_pre.xml | 152634 | 2020-08-03 17:04:28 |
| nwp2020063010q.htm | 584332 | 2020-08-03 17:04:28 |
| nwp2020063010q_htm.xml | 205296 | 2020-08-03 17:04:28 |
| nwp20200630ex-311.htm | 12719 | 2020-08-03 17:04:28 |
| nwp20200630ex-312.htm | 13070 | 2020-08-03 17:04:28 |
| nwp20200630ex-32.htm | 7704 | 2020-08-03 17:04:28 |
| R1.htm | 47428 | 2020-08-03 17:04:28 |
| R10.htm | 7388 | 2020-08-03 17:04:28 |
| R11.htm | 8331 | 2020-08-03 17:04:28 |
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| R15.htm | 26182 | 2020-08-03 17:04:28 |
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| R18.htm | 23878 | 2020-08-03 17:04:28 |
| R19.htm | 9579 | 2020-08-03 17:04:28 |
| R2.htm | 46695 | 2020-08-03 17:04:28 |
| R20.htm | 21216 | 2020-08-03 17:04:28 |
| R3.htm | 94104 | 2020-08-03 17:04:28 |
| R4.htm | 14117 | 2020-08-03 17:04:28 |
| R5.htm | 71323 | 2020-08-03 17:04:28 |
| R6.htm | 10223 | 2020-08-03 17:04:28 |
| R7.htm | 26815 | 2020-08-03 17:04:28 |
| R8.htm | 6040 | 2020-08-03 17:04:28 |
| R9.htm | 12339 | 2020-08-03 17:04:28 |
| report.css | 2767 | 2020-08-03 17:04:28 |
| Show.js | 1085 | 2020-08-03 17:04:28 |