Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001609804-20-000084-index-headers.html | 2020-02-20 16:33:06 | |
| 0001609804-20-000084-index.html | 2020-02-20 16:33:06 | |
| 0001609804-20-000084.txt | 2020-02-20 16:33:06 | |
 0001609804-20-000084-xbrl.zip | 41031 | 2020-02-20 16:33:06 |
| FilingSummary.xml | 1733 | 2020-02-20 16:33:06 |
| Financial_Report.xlsx | 5784 | 2020-02-20 16:33:06 |
| MetaLinks.json | 18030 | 2020-02-20 16:33:06 |
| oec-20200220.htm | 39527 | 2020-02-20 16:33:06 |
| oec-20200220.xsd | 2581 | 2020-02-20 16:33:06 |
| oec-20200220_cal.xml | 726 | 2020-02-20 16:33:06 |
| oec-20200220_def.xml | 1690 | 2020-02-20 16:33:06 |
| oec-20200220_htm.xml | 10908 | 2020-02-20 16:33:06 |
| oec-20200220_lab.xml | 23965 | 2020-02-20 16:33:06 |
| oec-20200220_pre.xml | 12662 | 2020-02-20 16:33:06 |
| q4-2019earningsrelease.htm | 692122 | 2020-02-20 16:33:06 |
| R1.htm | 38611 | 2020-02-20 16:33:06 |
| report.css | 2767 | 2020-02-20 16:33:06 |
| Show.js | 1085 | 2020-02-20 16:33:06 |