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| 0000920522-15-000020-index.html | 2015-05-08 20:37:26 | |
| 0000920522-15-000020.txt | 2015-05-08 20:37:26 | |
 0000920522-15-000020-xbrl.zip | 233899 | 2015-05-08 20:37:26 |
| ess-20150331.xml | 1325442 | 2015-05-08 20:37:26 |
| ess-20150331.xsd | 63679 | 2015-05-08 20:37:26 |
| ess-20150331_cal.xml | 94044 | 2015-05-08 20:37:26 |
| ess-20150331_def.xml | 379255 | 2015-05-08 20:37:26 |
| ess-20150331_lab.xml | 810979 | 2015-05-08 20:37:26 |
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| ess-33115x10q.htm | 1353788 | 2015-05-08 20:37:26 |
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| ess-33115xex324.htm | 6577 | 2015-05-08 20:37:26 |
| FilingSummary.xml | 22522 | 2015-05-08 20:37:26 |
| Financial_Report.xls | 1074355 | 2015-05-08 20:37:26 |
| Financial_Report.xlsx | 150590 | 2015-05-08 20:37:26 |
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| report.css | 2740 | 2015-05-08 20:37:26 |
| Show.js | 1410 | 2015-05-08 20:37:26 |