Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000010254-21-000167-index-headers.html | 2021-11-03 16:06:45 | |
| 0000010254-21-000167-index.html | 2021-11-03 16:06:45 | |
| 0000010254-21-000167.txt | 2021-11-03 16:06:45 | |
 0000010254-21-000167-xbrl.zip | 331350 | 2021-11-03 16:06:45 |
| este-20210930.htm | 1928015 | 2021-11-03 16:06:45 |
| este-20210930.xsd | 53141 | 2021-11-03 16:06:45 |
| este-20210930_cal.xml | 81909 | 2021-11-03 16:06:45 |
| este-20210930_def.xml | 420525 | 2021-11-03 16:06:45 |
 este-20210930_g1.jpg | 18014 | 2021-11-03 16:06:45 |
| este-20210930_htm.xml | 1458499 | 2021-11-03 16:06:45 |
| este-20210930_lab.xml | 696457 | 2021-11-03 16:06:45 |
| este-20210930_pre.xml | 487820 | 2021-11-03 16:06:45 |
| ex311-93021.htm | 16750 | 2021-11-03 16:06:45 |
| ex312-93021.htm | 16882 | 2021-11-03 16:06:45 |
| ex321-93021.htm | 7727 | 2021-11-03 16:06:45 |
| ex322-93021.htm | 7776 | 2021-11-03 16:06:45 |
| FilingSummary.xml | 33335 | 2021-11-03 16:06:45 |
| Financial_Report.xlsx | 89034 | 2021-11-03 16:06:45 |
| MetaLinks.json | 673932 | 2021-11-03 16:06:45 |
| R1.htm | 57654 | 2021-11-03 16:06:45 |
| R10.htm | 67512 | 2021-11-03 16:06:45 |
| R11.htm | 32316 | 2021-11-03 16:06:45 |
| R12.htm | 22256 | 2021-11-03 16:06:45 |
| R13.htm | 33643 | 2021-11-03 16:06:45 |
| R14.htm | 12267 | 2021-11-03 16:06:45 |
| R15.htm | 30218 | 2021-11-03 16:06:45 |
| R16.htm | 16162 | 2021-11-03 16:06:45 |
| R17.htm | 13496 | 2021-11-03 16:06:45 |
| R18.htm | 10451 | 2021-11-03 16:06:45 |
| R19.htm | 9159 | 2021-11-03 16:06:45 |
| R2.htm | 157346 | 2021-11-03 16:06:45 |
| R20.htm | 10144 | 2021-11-03 16:06:45 |
| R21.htm | 6423 | 2021-11-03 16:06:45 |
| R22.htm | 49028 | 2021-11-03 16:06:45 |
| R23.htm | 96278 | 2021-11-03 16:06:45 |
| R24.htm | 57738 | 2021-11-03 16:06:45 |
| R25.htm | 27629 | 2021-11-03 16:06:45 |
| R26.htm | 20547 | 2021-11-03 16:06:45 |
| R27.htm | 30488 | 2021-11-03 16:06:45 |
| R28.htm | 25350 | 2021-11-03 16:06:45 |
| R29.htm | 12931 | 2021-11-03 16:06:45 |
| R3.htm | 27191 | 2021-11-03 16:06:45 |
| R30.htm | 37089 | 2021-11-03 16:06:45 |
| R31.htm | 39349 | 2021-11-03 16:06:45 |
| R32.htm | 11987 | 2021-11-03 16:06:45 |
| R33.htm | 37423 | 2021-11-03 16:06:45 |
| R34.htm | 21489 | 2021-11-03 16:06:45 |
| R35.htm | 84705 | 2021-11-03 16:06:45 |
| R36.htm | 41205 | 2021-11-03 16:06:45 |
| R37.htm | 26751 | 2021-11-03 16:06:45 |
| R38.htm | 17869 | 2021-11-03 16:06:45 |
| R39.htm | 18101 | 2021-11-03 16:06:45 |
| R4.htm | 111131 | 2021-11-03 16:06:45 |
| R40.htm | 8447 | 2021-11-03 16:06:45 |
| R41.htm | 37034 | 2021-11-03 16:06:45 |
| R42.htm | 44457 | 2021-11-03 16:06:45 |
| R43.htm | 42070 | 2021-11-03 16:06:45 |
| R44.htm | 16396 | 2021-11-03 16:06:45 |
| R45.htm | 39882 | 2021-11-03 16:06:45 |
| R46.htm | 65442 | 2021-11-03 16:06:45 |
| R47.htm | 30725 | 2021-11-03 16:06:45 |
| R48.htm | 20759 | 2021-11-03 16:06:45 |
| R49.htm | 75841 | 2021-11-03 16:06:45 |
| R5.htm | 112447 | 2021-11-03 16:06:45 |
| R50.htm | 18095 | 2021-11-03 16:06:45 |
| R51.htm | 34352 | 2021-11-03 16:06:45 |
| R52.htm | 15273 | 2021-11-03 16:06:45 |
| R53.htm | 23808 | 2021-11-03 16:06:45 |
| R6.htm | 108264 | 2021-11-03 16:06:45 |
| R7.htm | 10076 | 2021-11-03 16:06:45 |
| R8.htm | 58704 | 2021-11-03 16:06:45 |
| R9.htm | 94107 | 2021-11-03 16:06:45 |
| report.css | 2767 | 2021-11-03 16:06:45 |
| Show.js | 1085 | 2021-11-03 16:06:45 |