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| 0000920522-16-000118-index.html | 2016-08-01 14:37:20 | |
| 0000920522-16-000118.txt | 2016-08-01 14:37:20 | |
 0000920522-16-000118-xbrl.zip | 217211 | 2016-08-01 14:37:20 |
| ess-20160630.xml | 1537245 | 2016-08-01 14:37:20 |
| ess-20160630.xsd | 47897 | 2016-08-01 14:37:20 |
| ess-20160630_cal.xml | 105643 | 2016-08-01 14:37:20 |
| ess-20160630_def.xml | 331986 | 2016-08-01 14:37:20 |
| ess-20160630_lab.xml | 660164 | 2016-08-01 14:37:20 |
| ess-20160630_pre.xml | 386700 | 2016-08-01 14:37:20 |
| ess-63016x10q.htm | 1637209 | 2016-08-01 14:37:20 |
| ess-63016xex121.htm | 185125 | 2016-08-01 14:37:20 |
| ess-63016xex311.htm | 12997 | 2016-08-01 14:37:20 |
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| ess-63016xex313.htm | 13127 | 2016-08-01 14:37:20 |
| ess-63016xex314.htm | 13142 | 2016-08-01 14:37:20 |
| ess-63016xex321.htm | 6305 | 2016-08-01 14:37:20 |
| ess-63016xex322.htm | 6127 | 2016-08-01 14:37:20 |
| ess-63016xex323.htm | 6596 | 2016-08-01 14:37:20 |
| ess-63016xex324.htm | 6628 | 2016-08-01 14:37:20 |
| FilingSummary.xml | 23731 | 2016-08-01 14:37:20 |
| Financial_Report.xlsx | 65268 | 2016-08-01 14:37:20 |
| R1.htm | 25435 | 2016-08-01 14:37:20 |
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| R9.htm | 10895 | 2016-08-01 14:37:20 |
| report.css | 2767 | 2016-08-01 14:37:20 |
| Show.js | 1410 | 2016-08-01 14:37:20 |