Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001587732-17-000023-index-headers.html | 2017-05-02 15:06:52 | |
| 0001587732-17-000023-index.html | 2017-05-02 15:06:52 | |
| 0001587732-17-000023.txt | 2017-05-02 15:06:52 | |
 0001587732-17-000023-xbrl.zip | 121381 | 2017-05-02 15:06:52 |
| FilingSummary.xml | 20839 | 2017-05-02 15:06:52 |
| Financial_Report.xlsx | 43231 | 2017-05-02 15:06:52 |
| ogs-20170331.xml | 587744 | 2017-05-02 15:06:52 |
| ogs-20170331.xsd | 31702 | 2017-05-02 15:06:52 |
| ogs-20170331_cal.xml | 57050 | 2017-05-02 15:06:52 |
| ogs-20170331_def.xml | 230362 | 2017-05-02 15:06:52 |
| ogs-20170331_lab.xml | 392934 | 2017-05-02 15:06:52 |
| ogs-20170331_pre.xml | 253323 | 2017-05-02 15:06:52 |
| ogsexhibit3111q10-q2017.htm | 11818 | 2017-05-02 15:06:52 |
| ogsexhibit3121q10-q2017.htm | 11676 | 2017-05-02 15:06:52 |
| ogsexhibit3211q10-q2017.htm | 5861 | 2017-05-02 15:06:52 |
| ogsexhibit3221q10-q2017.htm | 5848 | 2017-05-02 15:06:52 |
| onegas10-qx3312017.htm | 905967 | 2017-05-02 15:06:52 |
| R1.htm | 25888 | 2017-05-02 15:06:52 |
| R10.htm | 86883 | 2017-05-02 15:06:52 |
| R11.htm | 8845 | 2017-05-02 15:06:52 |
| R12.htm | 6900 | 2017-05-02 15:06:52 |
| R13.htm | 10745 | 2017-05-02 15:06:52 |
| R14.htm | 33322 | 2017-05-02 15:06:52 |
| R15.htm | 39045 | 2017-05-02 15:06:52 |
| R16.htm | 33333 | 2017-05-02 15:06:52 |
| R17.htm | 20162 | 2017-05-02 15:06:52 |
| R18.htm | 27542 | 2017-05-02 15:06:52 |
| R19.htm | 19070 | 2017-05-02 15:06:52 |
| R2.htm | 51341 | 2017-05-02 15:06:52 |
| R20.htm | 20663 | 2017-05-02 15:06:52 |
| R21.htm | 85064 | 2017-05-02 15:06:52 |
| R22.htm | 29967 | 2017-05-02 15:06:52 |
| R23.htm | 36962 | 2017-05-02 15:06:52 |
| R24.htm | 30757 | 2017-05-02 15:06:52 |
| R25.htm | 12435 | 2017-05-02 15:06:52 |
| R26.htm | 43579 | 2017-05-02 15:06:52 |
| R27.htm | 12286 | 2017-05-02 15:06:52 |
| R28.htm | 16933 | 2017-05-02 15:06:52 |
| R29.htm | 10800 | 2017-05-02 15:06:52 |
| R3.htm | 5253 | 2017-05-02 15:06:52 |
| R30.htm | 16929 | 2017-05-02 15:06:52 |
| R31.htm | 24482 | 2017-05-02 15:06:52 |
| R32.htm | 22946 | 2017-05-02 15:06:52 |
| R33.htm | 16005 | 2017-05-02 15:06:52 |
| R34.htm | 21274 | 2017-05-02 15:06:52 |
| R4.htm | 14206 | 2017-05-02 15:06:52 |
| R5.htm | 96615 | 2017-05-02 15:06:52 |
| R6.htm | 14235 | 2017-05-02 15:06:52 |
| R7.htm | 73697 | 2017-05-02 15:06:52 |
| R8.htm | 31960 | 2017-05-02 15:06:52 |
| R9.htm | 19280 | 2017-05-02 15:06:52 |
| report.css | 2767 | 2017-05-02 15:06:52 |
| Show.js | 1410 | 2017-05-02 15:06:52 |