Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000110019-23-000011-index.html | 2023-08-02 16:26:47 | |
| 0000110019-23-000011.txt | 2023-08-02 16:26:47 | |
 0000110019-23-000011-xbrl.zip | 100747 | 2023-08-02 16:26:47 |
| FilingSummary.xml | 13854 | 2023-08-02 16:26:47 |
| Financial_Report.xlsx | 36764 | 2023-08-02 16:26:47 |
| MetaLinks.json | 343765 | 2023-08-02 16:26:47 |
| nwp-20230630.htm | 449607 | 2023-08-02 16:26:47 |
| nwp-20230630.xsd | 18852 | 2023-08-02 16:26:47 |
| nwp-20230630_cal.xml | 46275 | 2023-08-02 16:26:47 |
| nwp-20230630_def.xml | 138719 | 2023-08-02 16:26:47 |
| nwp-20230630_htm.xml | 207013 | 2023-08-02 16:26:47 |
| nwp-20230630_lab.xml | 272956 | 2023-08-02 16:26:47 |
| nwp-20230630_pre.xml | 169054 | 2023-08-02 16:26:47 |
| nwp_20230630xex-311.htm | 10149 | 2023-08-02 16:26:47 |
| nwp_20230630xex-312.htm | 10149 | 2023-08-02 16:26:47 |
| nwp_20230630xex-32.htm | 6523 | 2023-08-02 16:26:47 |
| R1.htm | 46813 | 2023-08-02 16:26:47 |
| R10.htm | 10355 | 2023-08-02 16:26:47 |
| R11.htm | 8125 | 2023-08-02 16:26:47 |
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| R22.htm | 24539 | 2023-08-02 16:26:47 |
| R3.htm | 117601 | 2023-08-02 16:26:47 |
| R4.htm | 23357 | 2023-08-02 16:26:47 |
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| R6.htm | 8160 | 2023-08-02 16:26:47 |
| R7.htm | 46694 | 2023-08-02 16:26:47 |
| R8.htm | 6286 | 2023-08-02 16:26:47 |
| R9.htm | 15827 | 2023-08-02 16:26:47 |
| report.css | 2767 | 2023-08-02 16:26:47 |
| Show.js | 1085 | 2023-08-02 16:26:47 |