Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001423902-19-000070-index-headers.html | 2019-11-04 17:06:58 | |
| 0001423902-19-000070-index.html | 2019-11-04 17:06:58 | |
| 0001423902-19-000070.txt | 2019-11-04 17:06:58 | |
 0001423902-19-000070-xbrl.zip | 485838 | 2019-11-04 17:06:58 |
| FilingSummary.xml | 47187 | 2019-11-04 17:06:58 |
| Financial_Report.xlsx | 136525 | 2019-11-04 17:06:58 |
| MetaLinks.json | 724172 | 2019-11-04 17:06:58 |
| R1.htm | 64215 | 2019-11-04 17:06:58 |
| R10.htm | 148237 | 2019-11-04 17:06:58 |
| R11.htm | 33863 | 2019-11-04 17:06:58 |
| R12.htm | 120720 | 2019-11-04 17:06:58 |
| R13.htm | 44727 | 2019-11-04 17:06:58 |
| R14.htm | 145481 | 2019-11-04 17:06:58 |
| R15.htm | 184464 | 2019-11-04 17:06:58 |
| R16.htm | 15336 | 2019-11-04 17:06:58 |
| R17.htm | 78744 | 2019-11-04 17:06:58 |
| R18.htm | 76474 | 2019-11-04 17:06:58 |
| R19.htm | 79331 | 2019-11-04 17:06:58 |
| R2.htm | 119667 | 2019-11-04 17:06:58 |
| R20.htm | 51787 | 2019-11-04 17:06:58 |
| R21.htm | 90852 | 2019-11-04 17:06:58 |
| R22.htm | 136474 | 2019-11-04 17:06:58 |
| R23.htm | 36875 | 2019-11-04 17:06:58 |
| R24.htm | 93792 | 2019-11-04 17:06:58 |
| R25.htm | 80090 | 2019-11-04 17:06:58 |
| R26.htm | 179462 | 2019-11-04 17:06:58 |
| R27.htm | 157195 | 2019-11-04 17:06:58 |
| R28.htm | 6157 | 2019-11-04 17:06:58 |
| R29.htm | 69316 | 2019-11-04 17:06:58 |
| R3.htm | 21739 | 2019-11-04 17:06:58 |
| R30.htm | 50875 | 2019-11-04 17:06:58 |
| R31.htm | 75777 | 2019-11-04 17:06:58 |
| R32.htm | 60283 | 2019-11-04 17:06:58 |
| R33.htm | 43789 | 2019-11-04 17:06:58 |
| R34.htm | 79630 | 2019-11-04 17:06:58 |
| R35.htm | 117686 | 2019-11-04 17:06:58 |
| R36.htm | 32058 | 2019-11-04 17:06:58 |
| R37.htm | 92760 | 2019-11-04 17:06:58 |
| R38.htm | 82777 | 2019-11-04 17:06:58 |
| R39.htm | 163370 | 2019-11-04 17:06:58 |
| R4.htm | 103632 | 2019-11-04 17:06:58 |
| R40.htm | 100524 | 2019-11-04 17:06:58 |
| R41.htm | 28725 | 2019-11-04 17:06:58 |
| R42.htm | 47009 | 2019-11-04 17:06:58 |
| R43.htm | 72742 | 2019-11-04 17:06:58 |
| R44.htm | 24079 | 2019-11-04 17:06:58 |
| R45.htm | 17636 | 2019-11-04 17:06:58 |
| R46.htm | 17489 | 2019-11-04 17:06:58 |
| R47.htm | 21224 | 2019-11-04 17:06:58 |
| R48.htm | 9056 | 2019-11-04 17:06:58 |
| R49.htm | 46424 | 2019-11-04 17:06:58 |
| R5.htm | 25253 | 2019-11-04 17:06:58 |
| R50.htm | 65520 | 2019-11-04 17:06:58 |
| R51.htm | 12293 | 2019-11-04 17:06:58 |
| R52.htm | 31910 | 2019-11-04 17:06:58 |
| R53.htm | 34461 | 2019-11-04 17:06:58 |
| R54.htm | 24772 | 2019-11-04 17:06:58 |
| R55.htm | 34241 | 2019-11-04 17:06:58 |
| R56.htm | 33253 | 2019-11-04 17:06:58 |
| R57.htm | 34051 | 2019-11-04 17:06:58 |
| R58.htm | 13886 | 2019-11-04 17:06:58 |
| R59.htm | 69548 | 2019-11-04 17:06:58 |
| R6.htm | 90766 | 2019-11-04 17:06:58 |
| R60.htm | 52051 | 2019-11-04 17:06:58 |
| R61.htm | 39891 | 2019-11-04 17:06:58 |
| R62.htm | 40993 | 2019-11-04 17:06:58 |
| R63.htm | 103321 | 2019-11-04 17:06:58 |
| R64.htm | 14211 | 2019-11-04 17:06:58 |
| R65.htm | 23289 | 2019-11-04 17:06:58 |
| R66.htm | 24042 | 2019-11-04 17:06:58 |
| R67.htm | 104622 | 2019-11-04 17:06:58 |
| R68.htm | 28621 | 2019-11-04 17:06:58 |
| R69.htm | 20530 | 2019-11-04 17:06:58 |
| R7.htm | 14009 | 2019-11-04 17:06:58 |
| R70.htm | 26289 | 2019-11-04 17:06:58 |
| R71.htm | 129653 | 2019-11-04 17:06:58 |
| R72.htm | 24965 | 2019-11-04 17:06:58 |
| R73.htm | 16820 | 2019-11-04 17:06:58 |
| R74.htm | 10344 | 2019-11-04 17:06:58 |
| R75.htm | 41544 | 2019-11-04 17:06:58 |
| R76.htm | 4803 | 2019-11-04 17:06:58 |
| R8.htm | 116768 | 2019-11-04 17:06:58 |
| R9.htm | 9991 | 2019-11-04 17:06:58 |
| report.css | 2767 | 2019-11-04 17:06:58 |
| Show.js | 1085 | 2019-11-04 17:06:58 |
| wes-20190930.xsd | 75312 | 2019-11-04 17:06:58 |
| wes-20190930_cal.xml | 99876 | 2019-11-04 17:06:58 |
| wes-20190930_def.xml | 620450 | 2019-11-04 17:06:58 |
| wes-20190930_lab.xml | 854746 | 2019-11-04 17:06:58 |
| wes-20190930_pre.xml | 742483 | 2019-11-04 17:06:58 |
| wes2019q3-ex311.htm | 13111 | 2019-11-04 17:06:58 |
| wes2019q3-ex312.htm | 12851 | 2019-11-04 17:06:58 |
| wes2019q3-ex313.htm | 13084 | 2019-11-04 17:06:58 |
| wes2019q3-ex314.htm | 12879 | 2019-11-04 17:06:58 |
| wes2019q3-ex321.htm | 12672 | 2019-11-04 17:06:58 |
| wes2019q3-ex322.htm | 12789 | 2019-11-04 17:06:58 |
| wes2019q3.htm | 4762307 | 2019-11-04 17:06:58 |
| wes2019q3_htm.xml | 3722394 | 2019-11-04 17:06:58 |