Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001587732-22-000021-index-headers.html | 2022-02-25 17:06:50 | |
| 0001587732-22-000021-index.html | 2022-02-25 17:06:50 | |
| 0001587732-22-000021.txt | 2022-02-25 17:06:50 | |
 0001587732-22-000021-xbrl.zip | 15219 | 2022-02-25 17:06:50 |
| FilingSummary.xml | 1692 | 2022-02-25 17:06:50 |
| Financial_Report.xlsx | 5651 | 2022-02-25 17:06:50 |
 logoletterheada98.jpg | 16750 | 2022-02-25 17:06:50 |
| MetaLinks.json | 19311 | 2022-02-25 17:06:50 |
| ogs-20220225.htm | 37262 | 2022-02-25 17:06:50 |
| ogs-20220225.xsd | 2158 | 2022-02-25 17:06:50 |
| ogs-20220225_def.xml | 14625 | 2022-02-25 17:06:50 |
| ogs-20220225_htm.xml | 13092 | 2022-02-25 17:06:50 |
| ogs-20220225_lab.xml | 28012 | 2022-02-25 17:06:50 |
| ogs-20220225_pre.xml | 15174 | 2022-02-25 17:06:50 |
| ogs-2022annualshareholderm.htm | 9806 | 2022-02-25 17:06:50 |
| R1.htm | 38838 | 2022-02-25 17:06:50 |
| report.css | 2767 | 2022-02-25 17:06:50 |
| Show.js | 1085 | 2022-02-25 17:06:50 |