Name | Size | Last Modified |
---|---|---|
0000860546-21-000042-index-headers.html | 2021-07-30 13:07:19 | |
0000860546-21-000042-index.html | 2021-07-30 13:07:19 | |
0000860546-21-000042.txt | 2021-07-30 13:07:19 | |
0000860546-21-000042-xbrl.zip | 455922 | 2021-07-30 13:07:19 |
copt6302021ex101.htm | 130903 | 2021-07-30 13:07:19 |
copt6302021ex102.htm | 53964 | 2021-07-30 13:07:19 |
copt6302021ex221.htm | 4203 | 2021-07-30 13:07:19 |
copt6302021ex311.htm | 15369 | 2021-07-30 13:07:19 |
copt6302021ex312.htm | 15347 | 2021-07-30 13:07:19 |
copt6302021ex321.htm | 5638 | 2021-07-30 13:07:19 |
copt6302021ex322.htm | 5595 | 2021-07-30 13:07:19 |
FilingSummary.xml | 48778 | 2021-07-30 13:07:19 |
Financial_Report.xlsx | 123897 | 2021-07-30 13:07:19 |
image.jpg | 5460 | 2021-07-30 13:07:19 |
MetaLinks.json | 939032 | 2021-07-30 13:07:19 |
ofc-20210630.htm | 2877712 | 2021-07-30 13:07:19 |
ofc-20210630.xsd | 93229 | 2021-07-30 13:07:19 |
ofc-20210630_cal.xml | 143620 | 2021-07-30 13:07:19 |
ofc-20210630_def.xml | 436123 | 2021-07-30 13:07:19 |
ofc-20210630_htm.xml | 3141457 | 2021-07-30 13:07:19 |
ofc-20210630_lab.xml | 1009878 | 2021-07-30 13:07:19 |
ofc-20210630_pre.xml | 635078 | 2021-07-30 13:07:19 |
R1.htm | 53789 | 2021-07-30 13:07:19 |
R10.htm | 9830 | 2021-07-30 13:07:19 |
R11.htm | 39518 | 2021-07-30 13:07:19 |
R12.htm | 13576 | 2021-07-30 13:07:19 |
R13.htm | 377134 | 2021-07-30 13:07:19 |
R14.htm | 37281 | 2021-07-30 13:07:19 |
R15.htm | 13560 | 2021-07-30 13:07:19 |
R16.htm | 20367 | 2021-07-30 13:07:19 |
R17.htm | 65390 | 2021-07-30 13:07:19 |
R18.htm | 48560 | 2021-07-30 13:07:19 |
R19.htm | 14758 | 2021-07-30 13:07:19 |
R2.htm | 121870 | 2021-07-30 13:07:19 |
R20.htm | 10316 | 2021-07-30 13:07:19 |
R21.htm | 67501 | 2021-07-30 13:07:19 |
R22.htm | 280478 | 2021-07-30 13:07:19 |
R23.htm | 54484 | 2021-07-30 13:07:19 |
R24.htm | 17428 | 2021-07-30 13:07:19 |
R25.htm | 52872 | 2021-07-30 13:07:19 |
R26.htm | 16482 | 2021-07-30 13:07:19 |
R27.htm | 12873 | 2021-07-30 13:07:19 |
R28.htm | 33384 | 2021-07-30 13:07:19 |
R29.htm | 11412 | 2021-07-30 13:07:19 |
R3.htm | 17341 | 2021-07-30 13:07:19 |
R30.htm | 140769 | 2021-07-30 13:07:19 |
R31.htm | 37490 | 2021-07-30 13:07:19 |
R32.htm | 11968 | 2021-07-30 13:07:19 |
R33.htm | 20202 | 2021-07-30 13:07:19 |
R34.htm | 57990 | 2021-07-30 13:07:19 |
R35.htm | 53751 | 2021-07-30 13:07:19 |
R36.htm | 13182 | 2021-07-30 13:07:19 |
R37.htm | 66585 | 2021-07-30 13:07:19 |
R38.htm | 283291 | 2021-07-30 13:07:19 |
R39.htm | 50994 | 2021-07-30 13:07:19 |
R4.htm | 99861 | 2021-07-30 13:07:19 |
R40.htm | 8681 | 2021-07-30 13:07:19 |
R41.htm | 50967 | 2021-07-30 13:07:19 |
R42.htm | 33001 | 2021-07-30 13:07:19 |
R43.htm | 11453 | 2021-07-30 13:07:19 |
R44.htm | 11676 | 2021-07-30 13:07:19 |
R45.htm | 42231 | 2021-07-30 13:07:19 |
R46.htm | 14468 | 2021-07-30 13:07:19 |
R47.htm | 30814 | 2021-07-30 13:07:19 |
R48.htm | 9983 | 2021-07-30 13:07:19 |
R49.htm | 36732 | 2021-07-30 13:07:19 |
R5.htm | 38428 | 2021-07-30 13:07:19 |
R50.htm | 3853 | 2021-07-30 13:07:19 |
R51.htm | 15393 | 2021-07-30 13:07:19 |
R52.htm | 11333 | 2021-07-30 13:07:19 |
R53.htm | 14382 | 2021-07-30 13:07:19 |
R54.htm | 6902 | 2021-07-30 13:07:19 |
R55.htm | 55996 | 2021-07-30 13:07:19 |
R56.htm | 46550 | 2021-07-30 13:07:19 |
R57.htm | 22064 | 2021-07-30 13:07:19 |
R58.htm | 12205 | 2021-07-30 13:07:19 |
R59.htm | 18287 | 2021-07-30 13:07:19 |
R6.htm | 79358 | 2021-07-30 13:07:19 |
R60.htm | 16887 | 2021-07-30 13:07:19 |
R61.htm | 35566 | 2021-07-30 13:07:19 |
R62.htm | 85114 | 2021-07-30 13:07:19 |
R63.htm | 47682 | 2021-07-30 13:07:19 |
R64.htm | 17875 | 2021-07-30 13:07:19 |
R65.htm | 58578 | 2021-07-30 13:07:19 |
R66.htm | 16851 | 2021-07-30 13:07:19 |
R67.htm | 12541 | 2021-07-30 13:07:19 |
R68.htm | 36181 | 2021-07-30 13:07:19 |
R69.htm | 44439 | 2021-07-30 13:07:19 |
R7.htm | 11467 | 2021-07-30 13:07:19 |
R70.htm | 102095 | 2021-07-30 13:07:19 |
R71.htm | 45265 | 2021-07-30 13:07:19 |
R72.htm | 57484 | 2021-07-30 13:07:19 |
R73.htm | 20539 | 2021-07-30 13:07:19 |
R74.htm | 24625 | 2021-07-30 13:07:19 |
R75.htm | 21199 | 2021-07-30 13:07:19 |
R76.htm | 10137 | 2021-07-30 13:07:19 |
R77.htm | 6136 | 2021-07-30 13:07:19 |
R78.htm | 76092 | 2021-07-30 13:07:19 |
R79.htm | 60421 | 2021-07-30 13:07:19 |
R8.htm | 141004 | 2021-07-30 13:07:19 |
R80.htm | 20374 | 2021-07-30 13:07:19 |
R81.htm | 14805 | 2021-07-30 13:07:19 |
R9.htm | 10418 | 2021-07-30 13:07:19 |
R9999.htm | 21638 | 2021-07-30 13:07:19 |
report.css | 2768 | 2021-07-30 13:07:19 |
Show.js | 1085 | 2021-07-30 13:07:19 |