Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001039684-20-000084-index-headers.html | 2020-12-15 16:38:08 | |
| 0001039684-20-000084-index.html | 2020-12-15 16:38:08 | |
| 0001039684-20-000084.txt | 2020-12-15 16:38:08 | |
 0001039684-20-000084-xbrl.zip | 30661 | 2020-12-15 16:38:08 |
| a12-15x20boardannounceme.htm | 4415 | 2020-12-15 16:38:08 |
 a12-15x20boardannounceme001.jpg | 206457 | 2020-12-15 16:38:08 |
 a12-15x20boardannounceme002.jpg | 83787 | 2020-12-15 16:38:08 |
| FilingSummary.xml | 1872 | 2020-12-15 16:38:08 |
| Financial_Report.xlsx | 5445 | 2020-12-15 16:38:08 |
| MetaLinks.json | 20569 | 2020-12-15 16:38:08 |
| oks-20201209.htm | 41396 | 2020-12-15 16:38:08 |
| oks-20201209.xsd | 3675 | 2020-12-15 16:38:08 |
| oks-20201209_cal.xml | 1573 | 2020-12-15 16:38:08 |
| oks-20201209_def.xml | 15706 | 2020-12-15 16:38:08 |
 oks-20201209_g1.jpg | 13453 | 2020-12-15 16:38:08 |
| oks-20201209_htm.xml | 10568 | 2020-12-15 16:38:08 |
| oks-20201209_lab.xml | 28317 | 2020-12-15 16:38:08 |
| oks-20201209_pre.xml | 16045 | 2020-12-15 16:38:08 |
| R1.htm | 38863 | 2020-12-15 16:38:08 |
| report.css | 2767 | 2020-12-15 16:38:08 |
| Show.js | 1085 | 2020-12-15 16:38:08 |