Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000803649-19-000085-index-headers.html | 2019-10-30 16:17:21 | |
| 0000803649-19-000085-index.html | 2019-10-30 16:17:21 | |
| 0000803649-19-000085.txt | 2019-10-30 16:17:21 | |
 0000803649-19-000085-xbrl.zip | 252335 | 2019-10-30 16:17:21 |
| eqc-20190930.htm | 2186956 | 2019-10-30 16:17:21 |
| eqc-20190930.xsd | 40677 | 2019-10-30 16:17:21 |
| eqc-20190930_cal.xml | 84196 | 2019-10-30 16:17:21 |
| eqc-20190930_def.xml | 252073 | 2019-10-30 16:17:21 |
| eqc-20190930_htm.xml | 1074221 | 2019-10-30 16:17:21 |
| eqc-20190930_lab.xml | 514871 | 2019-10-30 16:17:21 |
| eqc-20190930_pre.xml | 345881 | 2019-10-30 16:17:21 |
| eqc93019exhibit311.htm | 16655 | 2019-10-30 16:17:21 |
| eqc93019exhibit312.htm | 17932 | 2019-10-30 16:17:21 |
| eqc93019exhibit321.htm | 11182 | 2019-10-30 16:17:21 |
| FilingSummary.xml | 33800 | 2019-10-30 16:17:21 |
| Financial_Report.xlsx | 61588 | 2019-10-30 16:17:21 |
| MetaLinks.json | 501743 | 2019-10-30 16:17:21 |
| R1.htm | 56893 | 2019-10-30 16:17:21 |
| R10.htm | 13527 | 2019-10-30 16:17:21 |
| R11.htm | 58353 | 2019-10-30 16:17:21 |
| R12.htm | 13729 | 2019-10-30 16:17:21 |
| R13.htm | 7437 | 2019-10-30 16:17:21 |
| R14.htm | 20176 | 2019-10-30 16:17:21 |
| R15.htm | 22146 | 2019-10-30 16:17:21 |
| R16.htm | 12701 | 2019-10-30 16:17:21 |
| R17.htm | 27355 | 2019-10-30 16:17:21 |
| R18.htm | 21772 | 2019-10-30 16:17:21 |
| R19.htm | 15105 | 2019-10-30 16:17:21 |
| R2.htm | 74810 | 2019-10-30 16:17:21 |
| R20.htm | 87360 | 2019-10-30 16:17:21 |
| R21.htm | 4995 | 2019-10-30 16:17:21 |
| R22.htm | 7177 | 2019-10-30 16:17:21 |
| R23.htm | 5422 | 2019-10-30 16:17:21 |
| R24.htm | 17249 | 2019-10-30 16:17:21 |
| R25.htm | 64116 | 2019-10-30 16:17:21 |
| R26.htm | 12501 | 2019-10-30 16:17:21 |
| R27.htm | 15592 | 2019-10-30 16:17:21 |
| R28.htm | 35843 | 2019-10-30 16:17:21 |
| R29.htm | 12393 | 2019-10-30 16:17:21 |
| R3.htm | 23293 | 2019-10-30 16:17:21 |
| R30.htm | 26728 | 2019-10-30 16:17:21 |
| R31.htm | 9648 | 2019-10-30 16:17:21 |
| R32.htm | 13293 | 2019-10-30 16:17:21 |
| R33.htm | 87730 | 2019-10-30 16:17:21 |
| R34.htm | 16034 | 2019-10-30 16:17:21 |
| R35.htm | 4434 | 2019-10-30 16:17:21 |
| R36.htm | 34315 | 2019-10-30 16:17:21 |
| R37.htm | 16644 | 2019-10-30 16:17:21 |
| R38.htm | 9152 | 2019-10-30 16:17:21 |
| R39.htm | 9496 | 2019-10-30 16:17:21 |
| R4.htm | 74063 | 2019-10-30 16:17:21 |
| R40.htm | 20924 | 2019-10-30 16:17:21 |
| R41.htm | 29296 | 2019-10-30 16:17:21 |
| R42.htm | 13685 | 2019-10-30 16:17:21 |
| R43.htm | 10452 | 2019-10-30 16:17:21 |
| R44.htm | 20745 | 2019-10-30 16:17:21 |
| R45.htm | 10475 | 2019-10-30 16:17:21 |
| R46.htm | 12296 | 2019-10-30 16:17:21 |
| R47.htm | 4365 | 2019-10-30 16:17:21 |
| R48.htm | 86742 | 2019-10-30 16:17:21 |
| R49.htm | 13109 | 2019-10-30 16:17:21 |
| R5.htm | 4729 | 2019-10-30 16:17:21 |
| R50.htm | 12188 | 2019-10-30 16:17:21 |
| R51.htm | 8387 | 2019-10-30 16:17:21 |
| R52.htm | 67575 | 2019-10-30 16:17:21 |
| R53.htm | 4584 | 2019-10-30 16:17:21 |
| R54.htm | 5809 | 2019-10-30 16:17:21 |
| R55.htm | 15897 | 2019-10-30 16:17:21 |
| R56.htm | 13760 | 2019-10-30 16:17:21 |
| R6.htm | 27108 | 2019-10-30 16:17:21 |
| R7.htm | 64693 | 2019-10-30 16:17:21 |
| R8.htm | 94706 | 2019-10-30 16:17:21 |
| R9.htm | 7256 | 2019-10-30 16:17:21 |
| R9999.htm | 6029 | 2019-10-30 16:17:21 |
| report.css | 2767 | 2019-10-30 16:17:21 |
| Show.js | 1085 | 2019-10-30 16:17:21 |