Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001609804-20-000131-index-headers.html | 2020-05-07 16:53:09 | |
| 0001609804-20-000131-index.html | 2020-05-07 16:53:09 | |
| 0001609804-20-000131.txt | 2020-05-07 16:53:09 | |
 0001609804-20-000131-xbrl.zip | 38533 | 2020-05-07 16:53:09 |
| a2020-05x07q1earningsr.htm | 501315 | 2020-05-07 16:53:09 |
| FilingSummary.xml | 1728 | 2020-05-07 16:53:09 |
| Financial_Report.xlsx | 5789 | 2020-05-07 16:53:09 |
| MetaLinks.json | 18576 | 2020-05-07 16:53:09 |
| oec-20200507.htm | 40013 | 2020-05-07 16:53:09 |
| oec-20200507.xsd | 2581 | 2020-05-07 16:53:09 |
| oec-20200507_cal.xml | 726 | 2020-05-07 16:53:09 |
| oec-20200507_def.xml | 1662 | 2020-05-07 16:53:09 |
| oec-20200507_htm.xml | 11282 | 2020-05-07 16:53:09 |
| oec-20200507_lab.xml | 24977 | 2020-05-07 16:53:09 |
| oec-20200507_pre.xml | 13203 | 2020-05-07 16:53:09 |
| R1.htm | 38610 | 2020-05-07 16:53:09 |
| report.css | 2766 | 2020-05-07 16:53:09 |
| Show.js | 1085 | 2020-05-07 16:53:09 |