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|---|---|---|
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| 0000920522-17-000025-index.html | 2017-05-01 15:15:12 | |
| 0000920522-17-000025.txt | 2017-05-01 15:15:12 | |
 0000920522-17-000025-xbrl.zip | 216603 | 2017-05-01 15:15:12 |
| ess-20170331.xml | 1264446 | 2017-05-01 15:15:12 |
| ess-20170331.xsd | 51343 | 2017-05-01 15:15:12 |
| ess-20170331_cal.xml | 109944 | 2017-05-01 15:15:12 |
| ess-20170331_def.xml | 346467 | 2017-05-01 15:15:12 |
| ess-20170331_lab.xml | 682346 | 2017-05-01 15:15:12 |
| ess-20170331_pre.xml | 407635 | 2017-05-01 15:15:12 |
| ess-33117x10q.htm | 1314220 | 2017-05-01 15:15:12 |
| ess-33117xex121.htm | 185532 | 2017-05-01 15:15:12 |
| ess-33117xex311.htm | 12994 | 2017-05-01 15:15:12 |
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| ess-33117xex314.htm | 13139 | 2017-05-01 15:15:12 |
| ess-33117xex321.htm | 6426 | 2017-05-01 15:15:12 |
| ess-33117xex322.htm | 6248 | 2017-05-01 15:15:12 |
| ess-33117xex323.htm | 6717 | 2017-05-01 15:15:12 |
| ess-33117xex324.htm | 6749 | 2017-05-01 15:15:12 |
| FilingSummary.xml | 24989 | 2017-05-01 15:15:12 |
| Financial_Report.xlsx | 66760 | 2017-05-01 15:15:12 |
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| R9.htm | 127287 | 2017-05-01 15:15:12 |
| report.css | 2767 | 2017-05-01 15:15:12 |
| Show.js | 1410 | 2017-05-01 15:15:12 |