Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000860546-21-000045-index-headers.html | 2021-10-28 16:23:50 | |
| 0000860546-21-000045-index.html | 2021-10-28 16:23:50 | |
| 0000860546-21-000045.txt | 2021-10-28 16:23:50 | |
 0000860546-21-000045-xbrl.zip | 121189 | 2021-10-28 16:23:50 |
 a2021_q3xcover.jpg | 406920 | 2021-10-28 16:23:50 |
 chart-0fee73829e2c4983858.jpg | 55288 | 2021-10-28 16:23:50 |
 chart-1c39820e6c9044ceaf0.jpg | 22890 | 2021-10-28 16:23:50 |
 chart-397747bf668e4dcf993.jpg | 83350 | 2021-10-28 16:23:50 |
 chart-4742abf1b0884c14a8e.jpg | 34182 | 2021-10-28 16:23:50 |
 chart-540ce6fc9b1e4d14bd8.jpg | 21447 | 2021-10-28 16:23:50 |
 chart-6c51c86e1cd64757b06.jpg | 21368 | 2021-10-28 16:23:50 |
 chart-9424cb0981774aafa04.jpg | 58244 | 2021-10-28 16:23:50 |
| copt9302021ex991.htm | 3174813 | 2021-10-28 16:23:50 |
| FilingSummary.xml | 1636 | 2021-10-28 16:23:50 |
| Financial_Report.xlsx | 5704 | 2021-10-28 16:23:50 |
 logo2dtd021015a01a18.jpg | 3929 | 2021-10-28 16:23:50 |
| MetaLinks.json | 17048 | 2021-10-28 16:23:50 |
| ofc-20211028.htm | 38908 | 2021-10-28 16:23:50 |
| ofc-20211028.xsd | 1900 | 2021-10-28 16:23:50 |
| ofc-20211028_htm.xml | 11223 | 2021-10-28 16:23:50 |
| ofc-20211028_lab.xml | 25154 | 2021-10-28 16:23:50 |
| ofc-20211028_pre.xml | 13049 | 2021-10-28 16:23:50 |
| R1.htm | 40145 | 2021-10-28 16:23:50 |
| report.css | 2767 | 2021-10-28 16:23:50 |
| Show.js | 1085 | 2021-10-28 16:23:50 |
 tableofcontents_2021xq321.jpg | 233141 | 2021-10-28 16:23:50 |