Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000073756-23-000102-index-headers.html | 2023-07-28 16:10:45 | |
| 0000073756-23-000102-index.html | 2023-07-28 16:10:45 | |
| 0000073756-23-000102.txt | 2023-07-28 16:10:45 | |
 0000073756-23-000102-xbrl.zip | 255295 | 2023-07-28 16:10:45 |
| FilingSummary.xml | 27313 | 2023-07-28 16:10:45 |
| Financial_Report.xlsx | 83452 | 2023-07-28 16:10:45 |
| MetaLinks.json | 853722 | 2023-07-28 16:10:45 |
| oii-20230630.htm | 1049086 | 2023-07-28 16:10:45 |
| oii-20230630.xsd | 48933 | 2023-07-28 16:10:45 |
| oii-20230630_cal.xml | 58755 | 2023-07-28 16:10:45 |
| oii-20230630_def.xml | 373200 | 2023-07-28 16:10:45 |
 oii-20230630_g1.jpg | 20693 | 2023-07-28 16:10:45 |
| oii-20230630_htm.xml | 655292 | 2023-07-28 16:10:45 |
| oii-20230630_lab.xml | 714218 | 2023-07-28 16:10:45 |
| oii-20230630_pre.xml | 567794 | 2023-07-28 16:10:45 |
| oii_exhibitx3101x2q2023.htm | 10928 | 2023-07-28 16:10:45 |
| oii_exhibitx3102x2q2023.htm | 10989 | 2023-07-28 16:10:45 |
| oii_exhibitx3201x2q2023.htm | 6309 | 2023-07-28 16:10:45 |
| oii_exhibitx3202x2q2023.htm | 5673 | 2023-07-28 16:10:45 |
| R1.htm | 56984 | 2023-07-28 16:10:45 |
| R10.htm | 14616 | 2023-07-28 16:10:45 |
| R11.htm | 81379 | 2023-07-28 16:10:45 |
| R12.htm | 30130 | 2023-07-28 16:10:45 |
| R13.htm | 21587 | 2023-07-28 16:10:45 |
| R14.htm | 13528 | 2023-07-28 16:10:45 |
| R15.htm | 9524 | 2023-07-28 16:10:45 |
| R16.htm | 15010 | 2023-07-28 16:10:45 |
| R17.htm | 92683 | 2023-07-28 16:10:45 |
| R18.htm | 3987 | 2023-07-28 16:10:45 |
| R19.htm | 41419 | 2023-07-28 16:10:45 |
| R2.htm | 129253 | 2023-07-28 16:10:45 |
| R20.htm | 8397 | 2023-07-28 16:10:45 |
| R21.htm | 74645 | 2023-07-28 16:10:45 |
| R22.htm | 12833 | 2023-07-28 16:10:45 |
| R23.htm | 9159 | 2023-07-28 16:10:45 |
| R24.htm | 79595 | 2023-07-28 16:10:45 |
| R25.htm | 8389 | 2023-07-28 16:10:45 |
| R26.htm | 30736 | 2023-07-28 16:10:45 |
| R27.htm | 20741 | 2023-07-28 16:10:45 |
| R28.htm | 28144 | 2023-07-28 16:10:45 |
| R29.htm | 7939 | 2023-07-28 16:10:45 |
| R3.htm | 8398 | 2023-07-28 16:10:45 |
| R30.htm | 18684 | 2023-07-28 16:10:45 |
| R31.htm | 29739 | 2023-07-28 16:10:45 |
| R32.htm | 37216 | 2023-07-28 16:10:45 |
| R33.htm | 17796 | 2023-07-28 16:10:45 |
| R34.htm | 12818 | 2023-07-28 16:10:45 |
| R35.htm | 7004 | 2023-07-28 16:10:45 |
| R36.htm | 47042 | 2023-07-28 16:10:45 |
| R37.htm | 17281 | 2023-07-28 16:10:45 |
| R38.htm | 80153 | 2023-07-28 16:10:45 |
| R39.htm | 45142 | 2023-07-28 16:10:45 |
| R4.htm | 81620 | 2023-07-28 16:10:45 |
| R40.htm | 21521 | 2023-07-28 16:10:45 |
| R41.htm | 15738 | 2023-07-28 16:10:45 |
| R42.htm | 14707 | 2023-07-28 16:10:45 |
| R43.htm | 58346 | 2023-07-28 16:10:45 |
| R44.htm | 9527 | 2023-07-28 16:10:45 |
| R45.htm | 29186 | 2023-07-28 16:10:45 |
| R5.htm | 36521 | 2023-07-28 16:10:45 |
| R6.htm | 73180 | 2023-07-28 16:10:45 |
| R7.htm | 83886 | 2023-07-28 16:10:45 |
| R8.htm | 20958 | 2023-07-28 16:10:45 |
| R9.htm | 8170 | 2023-07-28 16:10:45 |
| report.css | 2767 | 2023-07-28 16:10:45 |
| Show.js | 1085 | 2023-07-28 16:10:45 |