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|---|---|---|
 0001193125-19-234151-index-headers.html | 2019-08-29 17:14:45 | |
| 0001193125-19-234151-index.html | 2019-08-29 17:14:45 | |
| 0001193125-19-234151.txt | 2019-08-29 17:14:45 | |
 0001193125-19-234151-xbrl.zip | 48832 | 2019-08-29 17:14:45 |
| d782478d10q.htm | 179007 | 2019-08-29 17:14:45 |
| d782478dex311.htm | 11637 | 2019-08-29 17:14:45 |
| d782478dex312.htm | 11586 | 2019-08-29 17:14:45 |
| d782478dex321.htm | 4597 | 2019-08-29 17:14:45 |
| d782478dex322.htm | 4755 | 2019-08-29 17:14:45 |
| FilingSummary.xml | 13332 | 2019-08-29 17:14:45 |
| Financial_Report.xlsx | 31544 | 2019-08-29 17:14:45 |
| oacu-20190630.xml | 163395 | 2019-08-29 17:14:45 |
| oacu-20190630.xsd | 23371 | 2019-08-29 17:14:45 |
| oacu-20190630_cal.xml | 8741 | 2019-08-29 17:14:45 |
| oacu-20190630_def.xml | 102666 | 2019-08-29 17:14:45 |
| oacu-20190630_lab.xml | 129237 | 2019-08-29 17:14:45 |
| oacu-20190630_pre.xml | 130568 | 2019-08-29 17:14:45 |
| R1.htm | 46866 | 2019-08-29 17:14:45 |
| R10.htm | 5479 | 2019-08-29 17:14:45 |
| R11.htm | 13928 | 2019-08-29 17:14:45 |
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| R18.htm | 16021 | 2019-08-29 17:14:45 |
| R19.htm | 46805 | 2019-08-29 17:14:45 |
| R2.htm | 38350 | 2019-08-29 17:14:45 |
| R20.htm | 11482 | 2019-08-29 17:14:45 |
| R21.htm | 31241 | 2019-08-29 17:14:45 |
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| R4.htm | 13193 | 2019-08-29 17:14:45 |
| R5.htm | 3878 | 2019-08-29 17:14:45 |
| R6.htm | 17614 | 2019-08-29 17:14:45 |
| R7.htm | 27603 | 2019-08-29 17:14:45 |
| R8.htm | 27464 | 2019-08-29 17:14:45 |
| R9.htm | 20190 | 2019-08-29 17:14:45 |
| report.css | 2767 | 2019-08-29 17:14:45 |
| Show.js | 1085 | 2019-08-29 17:14:45 |