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| 0000860546-20-000026.txt | 2020-07-30 19:17:41 | |
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| copt06302020earnings8k.htm | 63511 | 2020-07-30 19:17:41 |
| copt06302020earnings8k_htm.xml | 6559 | 2020-07-30 19:17:41 |
| copt06302020ex991.htm | 4208751 | 2020-07-30 19:17:41 |
| FilingSummary.xml | 1812 | 2020-07-30 19:17:41 |
| Financial_Report.xlsx | 5647 | 2020-07-30 19:17:41 |
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| ofc-20200730.xsd | 4427 | 2020-07-30 19:17:41 |
| ofc-20200730_cal.xml | 611 | 2020-07-30 19:17:41 |
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| R1.htm | 43671 | 2020-07-30 19:17:41 |
| report.css | 2767 | 2020-07-30 19:17:41 |
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