Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-17-259665-index-headers.html | 2017-08-16 15:01:27 | |
| 0001193125-17-259665-index.html | 2017-08-16 15:01:27 | |
| 0001193125-17-259665.txt | 2017-08-16 15:01:27 | |
 0001193125-17-259665-xbrl.zip | 595397 | 2017-08-16 15:01:27 |
 BarChart1.png | 30452 | 2017-08-16 15:01:27 |
 BarChart10.png | 28069 | 2017-08-16 15:01:27 |
 BarChart11.png | 27951 | 2017-08-16 15:01:27 |
 BarChart12.png | 28112 | 2017-08-16 15:01:27 |
 BarChart13.png | 29026 | 2017-08-16 15:01:27 |
 BarChart14.png | 19109 | 2017-08-16 15:01:27 |
 BarChart15.png | 28576 | 2017-08-16 15:01:27 |
 BarChart16.png | 28185 | 2017-08-16 15:01:27 |
 BarChart17.png | 27948 | 2017-08-16 15:01:27 |
 BarChart18.png | 25586 | 2017-08-16 15:01:27 |
 BarChart19.png | 29066 | 2017-08-16 15:01:27 |
 BarChart2.png | 28626 | 2017-08-16 15:01:27 |
 BarChart20.png | 16968 | 2017-08-16 15:01:27 |
 BarChart21.png | 22656 | 2017-08-16 15:01:27 |
 BarChart22.png | 12827 | 2017-08-16 15:01:27 |
 BarChart3.png | 34162 | 2017-08-16 15:01:27 |
 BarChart4.png | 11703 | 2017-08-16 15:01:27 |
 BarChart5.png | 29143 | 2017-08-16 15:01:27 |
 BarChart6.png | 27080 | 2017-08-16 15:01:27 |
 BarChart7.png | 17983 | 2017-08-16 15:01:27 |
 BarChart8.png | 29215 | 2017-08-16 15:01:27 |
 BarChart9.png | 25862 | 2017-08-16 15:01:27 |
| d390651d485bpos.htm | 33670 | 2017-08-16 15:01:27 |
| FilingSummary.xml | 30339 | 2017-08-16 15:01:27 |
 g390651image001.jpg | 2278 | 2017-08-16 15:01:27 |
| gst-20170728.xml | 2087055 | 2017-08-16 15:01:27 |
| gst-20170728.xsd | 138430 | 2017-08-16 15:01:27 |
| gst-20170728_cal.xml | 4745 | 2017-08-16 15:01:27 |
| gst-20170728_def.xml | 5199138 | 2017-08-16 15:01:27 |
| gst-20170728_lab.xml | 458661 | 2017-08-16 15:01:27 |
| gst-20170728_pre.xml | 3795899 | 2017-08-16 15:01:27 |
| R1.htm | 16192 | 2017-08-16 15:01:27 |
| R10.htm | 142373 | 2017-08-16 15:01:27 |
| R103.htm | 319390 | 2017-08-16 15:01:27 |
| R104.htm | 138430 | 2017-08-16 15:01:27 |
| R111.htm | 288345 | 2017-08-16 15:01:27 |
| R112.htm | 141390 | 2017-08-16 15:01:27 |
| R118.htm | 313617 | 2017-08-16 15:01:27 |
| R119.htm | 137111 | 2017-08-16 15:01:27 |
| R125.htm | 283983 | 2017-08-16 15:01:27 |
| R126.htm | 148731 | 2017-08-16 15:01:27 |
| R133.htm | 319390 | 2017-08-16 15:01:27 |
| R134.htm | 141196 | 2017-08-16 15:01:27 |
| R141.htm | 299633 | 2017-08-16 15:01:27 |
| R142.htm | 151119 | 2017-08-16 15:01:27 |
| R149.htm | 331864 | 2017-08-16 15:01:27 |
| R150.htm | 148447 | 2017-08-16 15:01:27 |
| R157.htm | 320488 | 2017-08-16 15:01:27 |
| R158.htm | 151862 | 2017-08-16 15:01:27 |
| R165.htm | 296149 | 2017-08-16 15:01:27 |
| R166.htm | 142798 | 2017-08-16 15:01:27 |
| R17.htm | 297307 | 2017-08-16 15:01:27 |
| R173.htm | 279279 | 2017-08-16 15:01:27 |
| R174.htm | 7482 | 2017-08-16 15:01:27 |
| R18.htm | 143243 | 2017-08-16 15:01:27 |
| R2.htm | 149209 | 2017-08-16 15:01:27 |
| R25.htm | 297457 | 2017-08-16 15:01:27 |
| R26.htm | 132545 | 2017-08-16 15:01:27 |
| R33.htm | 273913 | 2017-08-16 15:01:27 |
| R34.htm | 146663 | 2017-08-16 15:01:27 |
| R41.htm | 307366 | 2017-08-16 15:01:27 |
| R42.htm | 158428 | 2017-08-16 15:01:27 |
| R49.htm | 343945 | 2017-08-16 15:01:27 |
| R50.htm | 133143 | 2017-08-16 15:01:27 |
| R57.htm | 275718 | 2017-08-16 15:01:27 |
| R58.htm | 130434 | 2017-08-16 15:01:27 |
| R64.htm | 273732 | 2017-08-16 15:01:27 |
| R65.htm | 140339 | 2017-08-16 15:01:27 |
| R72.htm | 284983 | 2017-08-16 15:01:27 |
| R73.htm | 131857 | 2017-08-16 15:01:27 |
| R79.htm | 280001 | 2017-08-16 15:01:27 |
| R80.htm | 153027 | 2017-08-16 15:01:27 |
| R87.htm | 336214 | 2017-08-16 15:01:27 |
| R88.htm | 151597 | 2017-08-16 15:01:27 |
| R9.htm | 317693 | 2017-08-16 15:01:27 |
| R95.htm | 332070 | 2017-08-16 15:01:27 |
| R96.htm | 150050 | 2017-08-16 15:01:27 |
| report.css | 2767 | 2017-08-16 15:01:27 |
| Show.js | 1410 | 2017-08-16 15:01:27 |