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| 0000920522-16-000101-index.html | 2016-05-03 16:42:49 | |
| 0000920522-16-000101.txt | 2016-05-03 16:42:49 | |
 0000920522-16-000101-xbrl.zip | 211210 | 2016-05-03 16:42:49 |
| ess-20160331.xml | 1196395 | 2016-05-03 16:42:49 |
| ess-20160331.xsd | 48692 | 2016-05-03 16:42:49 |
| ess-20160331_cal.xml | 102147 | 2016-05-03 16:42:49 |
| ess-20160331_def.xml | 343698 | 2016-05-03 16:42:49 |
| ess-20160331_lab.xml | 679464 | 2016-05-03 16:42:49 |
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| ess-33116x10q.htm | 1301408 | 2016-05-03 16:42:49 |
| ess-33116xex121.htm | 187875 | 2016-05-03 16:42:49 |
| ess-33116xex311.htm | 12994 | 2016-05-03 16:42:49 |
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| ess-33116xex321.htm | 6303 | 2016-05-03 16:42:49 |
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| ess-33116xex323.htm | 6594 | 2016-05-03 16:42:49 |
| ess-33116xex324.htm | 6626 | 2016-05-03 16:42:49 |
| FilingSummary.xml | 23928 | 2016-05-03 16:42:49 |
| Financial_Report.xlsx | 59614 | 2016-05-03 16:42:49 |
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| report.css | 2767 | 2016-05-03 16:42:49 |
| Show.js | 1410 | 2016-05-03 16:42:49 |