Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000074260-20-000024-index-headers.html | 2020-02-28 16:13:29 | |
| 0000074260-20-000024-index.html | 2020-02-28 16:13:29 | |
| 0000074260-20-000024.txt | 2020-02-28 16:13:29 | |
 0000074260-20-000024-xbrl.zip | 714954 | 2020-02-28 16:13:29 |
| ex212019.htm | 209307 | 2020-02-28 16:13:29 |
| ex231consentletterfinal.htm | 3271 | 2020-02-28 16:13:29 |
| ex242019.htm | 70044 | 2020-02-28 16:13:29 |
| ex3112019ceosection302.htm | 14378 | 2020-02-28 16:13:29 |
| ex3122019cfosection302.htm | 13951 | 2020-02-28 16:13:29 |
| ex3212019ceosection906.htm | 8150 | 2020-02-28 16:13:29 |
| ex3222019cfosection906.htm | 8551 | 2020-02-28 16:13:29 |
| ex4hdescriptionofcommo.htm | 16690 | 2020-02-28 16:13:29 |
| FilingSummary.xml | 43955 | 2020-02-28 16:13:29 |
| Financial_Report.xlsx | 158085 | 2020-02-28 16:13:29 |
| MetaLinks.json | 1098349 | 2020-02-28 16:13:29 |
| ori-20191231.xsd | 105870 | 2020-02-28 16:13:29 |
| ori-20191231_cal.xml | 142262 | 2020-02-28 16:13:29 |
| ori-20191231_def.xml | 611954 | 2020-02-28 16:13:29 |
| ori-20191231_lab.xml | 1456642 | 2020-02-28 16:13:29 |
| ori-20191231_pre.xml | 821684 | 2020-02-28 16:13:29 |
| ori201910-k.htm | 7923268 | 2020-02-28 16:13:29 |
| ori201910-k_htm.xml | 9042863 | 2020-02-28 16:13:29 |
 peergroup.jpg | 41808 | 2020-02-28 16:13:29 |
| R1.htm | 60993 | 2020-02-28 16:13:29 |
| R10.htm | 11993 | 2020-02-28 16:13:29 |
| R11.htm | 112924 | 2020-02-28 16:13:29 |
| R12.htm | 76538 | 2020-02-28 16:13:29 |
| R13.htm | 166490 | 2020-02-28 16:13:29 |
| R14.htm | 37542 | 2020-02-28 16:13:29 |
| R15.htm | 59535 | 2020-02-28 16:13:29 |
| R16.htm | 166618 | 2020-02-28 16:13:29 |
| R17.htm | 228891 | 2020-02-28 16:13:29 |
| R18.htm | 156907 | 2020-02-28 16:13:29 |
| R19.htm | 66138 | 2020-02-28 16:13:29 |
| R2.htm | 101125 | 2020-02-28 16:13:29 |
| R20.htm | 78618 | 2020-02-28 16:13:29 |
| R21.htm | 1697618 | 2020-02-28 16:13:29 |
| R22.htm | 1607775 | 2020-02-28 16:13:29 |
| R23.htm | 46362 | 2020-02-28 16:13:29 |
| R24.htm | 93507 | 2020-02-28 16:13:29 |
| R25.htm | 75503 | 2020-02-28 16:13:29 |
| R26.htm | 162720 | 2020-02-28 16:13:29 |
| R27.htm | 34480 | 2020-02-28 16:13:29 |
| R28.htm | 95861 | 2020-02-28 16:13:29 |
| R29.htm | 222608 | 2020-02-28 16:13:29 |
| R3.htm | 21689 | 2020-02-28 16:13:29 |
| R30.htm | 15467 | 2020-02-28 16:13:29 |
| R31.htm | 21890 | 2020-02-28 16:13:29 |
| R32.htm | 6221 | 2020-02-28 16:13:29 |
| R33.htm | 24040 | 2020-02-28 16:13:29 |
| R34.htm | 15760 | 2020-02-28 16:13:29 |
| R35.htm | 75538 | 2020-02-28 16:13:29 |
| R36.htm | 182385 | 2020-02-28 16:13:29 |
| R37.htm | 37782 | 2020-02-28 16:13:29 |
| R38.htm | 33750 | 2020-02-28 16:13:29 |
| R39.htm | 82099 | 2020-02-28 16:13:29 |
| R4.htm | 73018 | 2020-02-28 16:13:29 |
| R40.htm | 10984 | 2020-02-28 16:13:29 |
| R41.htm | 21556 | 2020-02-28 16:13:29 |
| R42.htm | 159716 | 2020-02-28 16:13:29 |
| R43.htm | 8353 | 2020-02-28 16:13:29 |
| R44.htm | 46261 | 2020-02-28 16:13:29 |
| R45.htm | 133928 | 2020-02-28 16:13:29 |
| R46.htm | 22036 | 2020-02-28 16:13:29 |
| R47.htm | 36460 | 2020-02-28 16:13:29 |
| R48.htm | 16165 | 2020-02-28 16:13:29 |
| R49.htm | 17682 | 2020-02-28 16:13:29 |
| R5.htm | 71454 | 2020-02-28 16:13:29 |
| R50.htm | 19832 | 2020-02-28 16:13:29 |
| R51.htm | 10576 | 2020-02-28 16:13:29 |
| R52.htm | 70577 | 2020-02-28 16:13:29 |
| R53.htm | 58781 | 2020-02-28 16:13:29 |
| R54.htm | 35116 | 2020-02-28 16:13:29 |
| R55.htm | 16427 | 2020-02-28 16:13:29 |
| R56.htm | 113397 | 2020-02-28 16:13:29 |
| R57.htm | 19265 | 2020-02-28 16:13:29 |
| R58.htm | 31629 | 2020-02-28 16:13:29 |
| R59.htm | 52110 | 2020-02-28 16:13:29 |
| R6.htm | 94820 | 2020-02-28 16:13:29 |
| R60.htm | 58011 | 2020-02-28 16:13:29 |
| R61.htm | 51499 | 2020-02-28 16:13:29 |
| R62.htm | 85051 | 2020-02-28 16:13:29 |
| R63.htm | 13864 | 2020-02-28 16:13:29 |
| R64.htm | 63742 | 2020-02-28 16:13:29 |
| R65.htm | 45937 | 2020-02-28 16:13:29 |
| R66.htm | 13360 | 2020-02-28 16:13:29 |
| R67.htm | 32456 | 2020-02-28 16:13:29 |
| R7.htm | 41992 | 2020-02-28 16:13:29 |
| R8.htm | 1655403 | 2020-02-28 16:13:29 |
| R9.htm | 48322 | 2020-02-28 16:13:29 |
| report.css | 2767 | 2020-02-28 16:13:29 |
| Show.js | 1085 | 2020-02-28 16:13:29 |