Name | Size | Last Modified |
---|---|---|
0000860546-21-000023-index-headers.html | 2021-05-03 16:50:38 | |
0000860546-21-000023-index.html | 2021-05-03 16:50:38 | |
0000860546-21-000023.txt | 2021-05-03 16:50:38 | |
0000860546-21-000023-xbrl.zip | 382896 | 2021-05-03 16:50:38 |
copt3312021ex221.htm | 6388 | 2021-05-03 16:50:38 |
copt3312021ex311.htm | 15266 | 2021-05-03 16:50:38 |
copt3312021ex312.htm | 15244 | 2021-05-03 16:50:38 |
copt3312021ex321.htm | 5629 | 2021-05-03 16:50:38 |
copt3312021ex322.htm | 5586 | 2021-05-03 16:50:38 |
FilingSummary.xml | 47515 | 2021-05-03 16:50:38 |
Financial_Report.xlsx | 115097 | 2021-05-03 16:50:38 |
MetaLinks.json | 874729 | 2021-05-03 16:50:38 |
ofc-20210331.htm | 2184451 | 2021-05-03 16:50:38 |
ofc-20210331.xsd | 88395 | 2021-05-03 16:50:38 |
ofc-20210331_cal.xml | 158642 | 2021-05-03 16:50:38 |
ofc-20210331_def.xml | 419972 | 2021-05-03 16:50:38 |
ofc-20210331_htm.xml | 2472520 | 2021-05-03 16:50:38 |
ofc-20210331_lab.xml | 971281 | 2021-05-03 16:50:38 |
ofc-20210331_pre.xml | 604417 | 2021-05-03 16:50:38 |
R1.htm | 53828 | 2021-05-03 16:50:38 |
R10.htm | 9827 | 2021-05-03 16:50:38 |
R11.htm | 39480 | 2021-05-03 16:50:38 |
R12.htm | 12569 | 2021-05-03 16:50:38 |
R13.htm | 334700 | 2021-05-03 16:50:38 |
R14.htm | 33957 | 2021-05-03 16:50:38 |
R15.htm | 13604 | 2021-05-03 16:50:38 |
R16.htm | 20372 | 2021-05-03 16:50:38 |
R17.htm | 61979 | 2021-05-03 16:50:38 |
R18.htm | 44479 | 2021-05-03 16:50:38 |
R19.htm | 14744 | 2021-05-03 16:50:38 |
R2.htm | 108309 | 2021-05-03 16:50:38 |
R20.htm | 6749 | 2021-05-03 16:50:38 |
R21.htm | 65455 | 2021-05-03 16:50:38 |
R22.htm | 182770 | 2021-05-03 16:50:38 |
R23.htm | 42454 | 2021-05-03 16:50:38 |
R24.htm | 16276 | 2021-05-03 16:50:38 |
R25.htm | 36441 | 2021-05-03 16:50:38 |
R26.htm | 15416 | 2021-05-03 16:50:38 |
R27.htm | 12862 | 2021-05-03 16:50:38 |
R28.htm | 33376 | 2021-05-03 16:50:38 |
R29.htm | 11402 | 2021-05-03 16:50:38 |
R3.htm | 16496 | 2021-05-03 16:50:38 |
R30.htm | 129758 | 2021-05-03 16:50:38 |
R31.htm | 35321 | 2021-05-03 16:50:38 |
R32.htm | 11958 | 2021-05-03 16:50:38 |
R33.htm | 20207 | 2021-05-03 16:50:38 |
R34.htm | 58395 | 2021-05-03 16:50:38 |
R35.htm | 49924 | 2021-05-03 16:50:38 |
R36.htm | 13150 | 2021-05-03 16:50:38 |
R37.htm | 64326 | 2021-05-03 16:50:38 |
R38.htm | 185119 | 2021-05-03 16:50:38 |
R39.htm | 38901 | 2021-05-03 16:50:38 |
R4.htm | 89217 | 2021-05-03 16:50:38 |
R40.htm | 8652 | 2021-05-03 16:50:38 |
R41.htm | 34290 | 2021-05-03 16:50:38 |
R42.htm | 32801 | 2021-05-03 16:50:38 |
R43.htm | 11447 | 2021-05-03 16:50:38 |
R44.htm | 11670 | 2021-05-03 16:50:38 |
R45.htm | 42233 | 2021-05-03 16:50:38 |
R46.htm | 14468 | 2021-05-03 16:50:38 |
R47.htm | 11323 | 2021-05-03 16:50:38 |
R48.htm | 9490 | 2021-05-03 16:50:38 |
R49.htm | 36732 | 2021-05-03 16:50:38 |
R5.htm | 33161 | 2021-05-03 16:50:38 |
R50.htm | 3853 | 2021-05-03 16:50:38 |
R51.htm | 15386 | 2021-05-03 16:50:38 |
R52.htm | 11321 | 2021-05-03 16:50:38 |
R53.htm | 13656 | 2021-05-03 16:50:38 |
R54.htm | 4702 | 2021-05-03 16:50:38 |
R55.htm | 55997 | 2021-05-03 16:50:38 |
R56.htm | 38591 | 2021-05-03 16:50:38 |
R57.htm | 18351 | 2021-05-03 16:50:38 |
R58.htm | 16372 | 2021-05-03 16:50:38 |
R59.htm | 16888 | 2021-05-03 16:50:38 |
R6.htm | 55128 | 2021-05-03 16:50:38 |
R60.htm | 34066 | 2021-05-03 16:50:38 |
R61.htm | 81248 | 2021-05-03 16:50:38 |
R62.htm | 49317 | 2021-05-03 16:50:38 |
R63.htm | 17875 | 2021-05-03 16:50:38 |
R64.htm | 54120 | 2021-05-03 16:50:38 |
R65.htm | 16838 | 2021-05-03 16:50:38 |
R66.htm | 11795 | 2021-05-03 16:50:38 |
R67.htm | 32911 | 2021-05-03 16:50:38 |
R68.htm | 38951 | 2021-05-03 16:50:38 |
R69.htm | 83621 | 2021-05-03 16:50:38 |
R7.htm | 10976 | 2021-05-03 16:50:38 |
R70.htm | 37075 | 2021-05-03 16:50:38 |
R71.htm | 48617 | 2021-05-03 16:50:38 |
R72.htm | 16426 | 2021-05-03 16:50:38 |
R73.htm | 22517 | 2021-05-03 16:50:38 |
R74.htm | 19327 | 2021-05-03 16:50:38 |
R75.htm | 9263 | 2021-05-03 16:50:38 |
R76.htm | 68585 | 2021-05-03 16:50:38 |
R77.htm | 48961 | 2021-05-03 16:50:38 |
R78.htm | 18721 | 2021-05-03 16:50:38 |
R79.htm | 14805 | 2021-05-03 16:50:38 |
R8.htm | 123337 | 2021-05-03 16:50:38 |
R9.htm | 10402 | 2021-05-03 16:50:38 |
R9999.htm | 12009 | 2021-05-03 16:50:38 |
report.css | 2767 | 2021-05-03 16:50:38 |
Show.js | 1085 | 2021-05-03 16:50:38 |