Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001587732-25-000013-index-headers.html | 2025-02-20 16:32:19 | |
| 0001587732-25-000013-index.html | 2025-02-20 16:32:19 | |
| 0001587732-25-000013.txt | 2025-02-20 16:32:19 | |
 0001587732-25-000013-xbrl.zip | 450288 | 2025-02-20 16:32:19 |
| a1014ogs_2025xrsugrantag.htm | 32360 | 2025-02-20 16:32:19 |
 a1014ogs_2025xrsugrantag001.jpg | 189573 | 2025-02-20 16:32:19 |
 a1014ogs_2025xrsugrantag002.jpg | 229834 | 2025-02-20 16:32:19 |
 a1014ogs_2025xrsugrantag003.jpg | 231786 | 2025-02-20 16:32:19 |
 a1014ogs_2025xrsugrantag004.jpg | 267815 | 2025-02-20 16:32:19 |
 a1014ogs_2025xrsugrantag005.jpg | 230737 | 2025-02-20 16:32:19 |
 a1014ogs_2025xrsugrantag006.jpg | 284437 | 2025-02-20 16:32:19 |
 a1014ogs_2025xrsugrantag007.jpg | 264076 | 2025-02-20 16:32:19 |
 a1014ogs_2025xrsugrantag008.jpg | 232632 | 2025-02-20 16:32:19 |
 a1014ogs_2025xrsugrantag009.jpg | 240143 | 2025-02-20 16:32:19 |
 a1014ogs_2025xrsugrantag010.jpg | 112724 | 2025-02-20 16:32:19 |
| a1015ogs_2025xpsugrantag.htm | 49214 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag001.jpg | 203370 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag002.jpg | 247788 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag003.jpg | 221414 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag004.jpg | 259904 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag005.jpg | 244487 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag006.jpg | 234178 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag007.jpg | 272809 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag008.jpg | 257456 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag009.jpg | 232228 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag010.jpg | 229817 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag011.jpg | 126907 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag012.jpg | 156562 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag013.jpg | 94847 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag014.jpg | 100378 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag015.jpg | 196779 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag016.jpg | 220034 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag017.jpg | 182826 | 2025-02-20 16:32:19 |
 a1015ogs_2025xpsugrantag018.jpg | 31455 | 2025-02-20 16:32:19 |
| a191ogssecuritiesinsider.htm | 25241 | 2025-02-20 16:32:19 |
 a191ogssecuritiesinsider001.jpg | 197088 | 2025-02-20 16:32:19 |
 a191ogssecuritiesinsider002.jpg | 231256 | 2025-02-20 16:32:19 |
 a191ogssecuritiesinsider003.jpg | 197003 | 2025-02-20 16:32:19 |
 a191ogssecuritiesinsider004.jpg | 220813 | 2025-02-20 16:32:19 |
 a191ogssecuritiesinsider005.jpg | 213898 | 2025-02-20 16:32:19 |
 a191ogssecuritiesinsider006.jpg | 198887 | 2025-02-20 16:32:19 |
 a191ogssecuritiesinsider007.jpg | 131146 | 2025-02-20 16:32:19 |
| FilingSummary.xml | 34017 | 2025-02-20 16:32:19 |
| Financial_Report.xlsx | 138684 | 2025-02-20 16:32:19 |
| MetaLinks.json | 1012486 | 2025-02-20 16:32:19 |
| ogs-20241231.htm | 2367758 | 2025-02-20 16:32:19 |
| ogs-20241231.xsd | 67397 | 2025-02-20 16:32:19 |
| ogs-20241231_cal.xml | 57655 | 2025-02-20 16:32:19 |
| ogs-20241231_def.xml | 468127 | 2025-02-20 16:32:19 |
 ogs-20241231_g1.jpg | 57722 | 2025-02-20 16:32:19 |
| ogs-20241231_htm.xml | 2268468 | 2025-02-20 16:32:19 |
| ogs-20241231_lab.xml | 866429 | 2025-02-20 16:32:19 |
| ogs-20241231_pre.xml | 576045 | 2025-02-20 16:32:19 |
| ogs10-k2024exhibit211.htm | 2397 | 2025-02-20 16:32:19 |
| ogs10-k2024exhibit231.htm | 2417 | 2025-02-20 16:32:19 |
| ogs10-kx12312024exhibit311.htm | 8602 | 2025-02-20 16:32:19 |
| ogs10-kx12312024exhibit312.htm | 8619 | 2025-02-20 16:32:19 |
| ogs10-kx12312024exhibit321.htm | 4659 | 2025-02-20 16:32:19 |
| ogs10-kx12312024exhibit322.htm | 4611 | 2025-02-20 16:32:19 |
| R1.htm | 7988 | 2025-02-20 16:32:19 |
| R10.htm | 61834 | 2025-02-20 16:32:19 |
| R11.htm | 26566 | 2025-02-20 16:32:19 |
| R12.htm | 78858 | 2025-02-20 16:32:19 |
| R13.htm | 8955 | 2025-02-20 16:32:19 |
| R14.htm | 31888 | 2025-02-20 16:32:19 |
| R15.htm | 34410 | 2025-02-20 16:32:19 |
| R16.htm | 29464 | 2025-02-20 16:32:19 |
| R17.htm | 43389 | 2025-02-20 16:32:19 |
| R18.htm | 37981 | 2025-02-20 16:32:19 |
| R19.htm | 53217 | 2025-02-20 16:32:19 |
| R2.htm | 67084 | 2025-02-20 16:32:19 |
| R20.htm | 294615 | 2025-02-20 16:32:19 |
| R21.htm | 80807 | 2025-02-20 16:32:19 |
| R22.htm | 16429 | 2025-02-20 16:32:19 |
| R23.htm | 19474 | 2025-02-20 16:32:19 |
| R24.htm | 16837 | 2025-02-20 16:32:19 |
| R25.htm | 47225 | 2025-02-20 16:32:19 |
| R26.htm | 49711 | 2025-02-20 16:32:19 |
| R27.htm | 125589 | 2025-02-20 16:32:19 |
| R28.htm | 23909 | 2025-02-20 16:32:19 |
| R29.htm | 73722 | 2025-02-20 16:32:19 |
| R3.htm | 71544 | 2025-02-20 16:32:19 |
| R30.htm | 31842 | 2025-02-20 16:32:19 |
| R31.htm | 34601 | 2025-02-20 16:32:19 |
| R32.htm | 16187 | 2025-02-20 16:32:19 |
| R33.htm | 44636 | 2025-02-20 16:32:19 |
| R34.htm | 36913 | 2025-02-20 16:32:19 |
| R35.htm | 44806 | 2025-02-20 16:32:19 |
| R36.htm | 296836 | 2025-02-20 16:32:19 |
| R37.htm | 80622 | 2025-02-20 16:32:19 |
| R38.htm | 15863 | 2025-02-20 16:32:19 |
| R39.htm | 17182 | 2025-02-20 16:32:19 |
| R4.htm | 28546 | 2025-02-20 16:32:19 |
| R40.htm | 41055 | 2025-02-20 16:32:19 |
| R41.htm | 57896 | 2025-02-20 16:32:19 |
| R42.htm | 22145 | 2025-02-20 16:32:19 |
| R43.htm | 17990 | 2025-02-20 16:32:19 |
| R44.htm | 54416 | 2025-02-20 16:32:19 |
| R45.htm | 34364 | 2025-02-20 16:32:19 |
| R46.htm | 64700 | 2025-02-20 16:32:19 |
| R47.htm | 51088 | 2025-02-20 16:32:19 |
| R48.htm | 68095 | 2025-02-20 16:32:19 |
| R49.htm | 67953 | 2025-02-20 16:32:19 |
| R5.htm | 8778 | 2025-02-20 16:32:19 |
| R50.htm | 41208 | 2025-02-20 16:32:19 |
| R51.htm | 84939 | 2025-02-20 16:32:19 |
| R52.htm | 342969 | 2025-02-20 16:32:19 |
| R53.htm | 123251 | 2025-02-20 16:32:19 |
| R54.htm | 8474 | 2025-02-20 16:32:19 |
| R55.htm | 32124 | 2025-02-20 16:32:19 |
| R56.htm | 20546 | 2025-02-20 16:32:19 |
| R57.htm | 55115 | 2025-02-20 16:32:19 |
| R58.htm | 87275 | 2025-02-20 16:32:19 |
| R6.htm | 133426 | 2025-02-20 16:32:19 |
| R7.htm | 10579 | 2025-02-20 16:32:19 |
| R8.htm | 101927 | 2025-02-20 16:32:19 |
| R9.htm | 46838 | 2025-02-20 16:32:19 |
| report.css | 2768 | 2025-02-20 16:32:19 |
| Show.js | 1086 | 2025-02-20 16:32:19 |