Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-21-021482-index-headers.html | 2021-11-03 16:24:53 | |
| 0001628280-21-021482-index.html | 2021-11-03 16:24:53 | |
| 0001628280-21-021482.txt | 2021-11-03 16:24:53 | |
 0001628280-21-021482-xbrl.zip | 302323 | 2021-11-03 16:24:53 |
| exr-20210930.htm | 2255598 | 2021-11-03 16:24:53 |
| exr-20210930.xsd | 70140 | 2021-11-03 16:24:53 |
| exr-20210930_cal.xml | 69982 | 2021-11-03 16:24:53 |
| exr-20210930_def.xml | 227046 | 2021-11-03 16:24:53 |
| exr-20210930_htm.xml | 1473761 | 2021-11-03 16:24:53 |
| exr-20210930_lab.xml | 673289 | 2021-11-03 16:24:53 |
| exr-20210930_pre.xml | 410153 | 2021-11-03 16:24:53 |
| FilingSummary.xml | 37362 | 2021-11-03 16:24:53 |
| Financial_Report.xlsx | 95817 | 2021-11-03 16:24:53 |
| MetaLinks.json | 663159 | 2021-11-03 16:24:53 |
| q3202110qex221.htm | 5675 | 2021-11-03 16:24:53 |
| q3202110qex311.htm | 10317 | 2021-11-03 16:24:53 |
| q3202110qex312.htm | 10337 | 2021-11-03 16:24:53 |
| q3202110qex321.htm | 8453 | 2021-11-03 16:24:53 |
| R1.htm | 52193 | 2021-11-03 16:24:53 |
| R10.htm | 8393 | 2021-11-03 16:24:53 |
| R11.htm | 34473 | 2021-11-03 16:24:53 |
| R12.htm | 68924 | 2021-11-03 16:24:53 |
| R13.htm | 51764 | 2021-11-03 16:24:53 |
| R14.htm | 48704 | 2021-11-03 16:24:53 |
| R15.htm | 15581 | 2021-11-03 16:24:53 |
| R16.htm | 10781 | 2021-11-03 16:24:53 |
| R17.htm | 30175 | 2021-11-03 16:24:53 |
| R18.htm | 19541 | 2021-11-03 16:24:53 |
| R19.htm | 10106 | 2021-11-03 16:24:53 |
| R2.htm | 94272 | 2021-11-03 16:24:53 |
| R20.htm | 32998 | 2021-11-03 16:24:53 |
| R21.htm | 33012 | 2021-11-03 16:24:53 |
| R22.htm | 63441 | 2021-11-03 16:24:53 |
| R23.htm | 7873 | 2021-11-03 16:24:53 |
| R24.htm | 9612 | 2021-11-03 16:24:53 |
| R25.htm | 26209 | 2021-11-03 16:24:53 |
| R26.htm | 63904 | 2021-11-03 16:24:53 |
| R27.htm | 49979 | 2021-11-03 16:24:53 |
| R28.htm | 44947 | 2021-11-03 16:24:53 |
| R29.htm | 12754 | 2021-11-03 16:24:53 |
| R3.htm | 19636 | 2021-11-03 16:24:53 |
| R30.htm | 27230 | 2021-11-03 16:24:53 |
| R31.htm | 16228 | 2021-11-03 16:24:53 |
| R32.htm | 9919 | 2021-11-03 16:24:53 |
| R33.htm | 10074 | 2021-11-03 16:24:53 |
| R34.htm | 58556 | 2021-11-03 16:24:53 |
| R35.htm | 9136 | 2021-11-03 16:24:53 |
| R36.htm | 14068 | 2021-11-03 16:24:53 |
| R37.htm | 3915 | 2021-11-03 16:24:53 |
| R38.htm | 13025 | 2021-11-03 16:24:53 |
| R39.htm | 24871 | 2021-11-03 16:24:53 |
| R4.htm | 114217 | 2021-11-03 16:24:53 |
| R40.htm | 15394 | 2021-11-03 16:24:53 |
| R41.htm | 67177 | 2021-11-03 16:24:53 |
| R42.htm | 38326 | 2021-11-03 16:24:53 |
| R43.htm | 105079 | 2021-11-03 16:24:53 |
| R44.htm | 19562 | 2021-11-03 16:24:53 |
| R45.htm | 44037 | 2021-11-03 16:24:53 |
| R46.htm | 12748 | 2021-11-03 16:24:53 |
| R47.htm | 12361 | 2021-11-03 16:24:53 |
| R48.htm | 9705 | 2021-11-03 16:24:53 |
| R49.htm | 10206 | 2021-11-03 16:24:53 |
| R5.htm | 30704 | 2021-11-03 16:24:53 |
| R50.htm | 34224 | 2021-11-03 16:24:53 |
| R51.htm | 11935 | 2021-11-03 16:24:53 |
| R52.htm | 19545 | 2021-11-03 16:24:53 |
| R53.htm | 80944 | 2021-11-03 16:24:53 |
| R54.htm | 10687 | 2021-11-03 16:24:53 |
| R55.htm | 43236 | 2021-11-03 16:24:53 |
| R56.htm | 7774 | 2021-11-03 16:24:53 |
| R57.htm | 4369 | 2021-11-03 16:24:53 |
| R58.htm | 72891 | 2021-11-03 16:24:53 |
| R59.htm | 18099 | 2021-11-03 16:24:53 |
| R6.htm | 192534 | 2021-11-03 16:24:53 |
| R7.htm | 5055 | 2021-11-03 16:24:53 |
| R8.htm | 149707 | 2021-11-03 16:24:53 |
| R9.htm | 6751 | 2021-11-03 16:24:53 |
| report.css | 2767 | 2021-11-03 16:24:53 |
| Show.js | 1085 | 2021-11-03 16:24:53 |