Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000093751-20-000978-index-headers.html | 2020-10-23 11:37:58 | |
| 0000093751-20-000978-index.html | 2020-10-23 11:37:58 | |
| 0000093751-20-000978.txt | 2020-10-23 11:37:58 | |
 0000093751-20-000978-xbrl.zip | 832925 | 2020-10-23 11:37:58 |
| exhibit15acknowledgeme.htm | 3610 | 2020-10-23 11:37:58 |
| exhibit311-september30.htm | 13473 | 2020-10-23 11:37:58 |
| exhibit312-september30.htm | 13761 | 2020-10-23 11:37:58 |
| exhibit32-september302.htm | 13638 | 2020-10-23 11:37:58 |
| FilingSummary.xml | 61191 | 2020-10-23 11:37:58 |
| Financial_Report.xlsx | 207324 | 2020-10-23 11:37:58 |
| MetaLinks.json | 1143413 | 2020-10-23 11:37:58 |
| R1.htm | 59585 | 2020-10-23 11:37:58 |
| R10.htm | 879630 | 2020-10-23 11:37:58 |
| R11.htm | 679777 | 2020-10-23 11:37:58 |
| R12.htm | 380346 | 2020-10-23 11:37:58 |
| R13.htm | 92079 | 2020-10-23 11:37:58 |
| R14.htm | 31077 | 2020-10-23 11:37:58 |
| R15.htm | 284186 | 2020-10-23 11:37:58 |
| R16.htm | 235785 | 2020-10-23 11:37:58 |
| R17.htm | 27569 | 2020-10-23 11:37:58 |
| R18.htm | 22575 | 2020-10-23 11:37:58 |
| R19.htm | 9287 | 2020-10-23 11:37:58 |
| R2.htm | 100194 | 2020-10-23 11:37:58 |
| R20.htm | 313860 | 2020-10-23 11:37:58 |
| R21.htm | 174438 | 2020-10-23 11:37:58 |
| R22.htm | 65332 | 2020-10-23 11:37:58 |
| R23.htm | 93419 | 2020-10-23 11:37:58 |
| R24.htm | 55941 | 2020-10-23 11:37:58 |
| R25.htm | 200348 | 2020-10-23 11:37:58 |
| R26.htm | 228038 | 2020-10-23 11:37:58 |
| R27.htm | 45058 | 2020-10-23 11:37:58 |
| R28.htm | 24551 | 2020-10-23 11:37:58 |
| R29.htm | 882997 | 2020-10-23 11:37:58 |
| R3.htm | 35593 | 2020-10-23 11:37:58 |
| R30.htm | 667529 | 2020-10-23 11:37:58 |
| R31.htm | 364229 | 2020-10-23 11:37:58 |
| R32.htm | 94701 | 2020-10-23 11:37:58 |
| R33.htm | 31123 | 2020-10-23 11:37:58 |
| R34.htm | 318258 | 2020-10-23 11:37:58 |
| R35.htm | 238217 | 2020-10-23 11:37:58 |
| R36.htm | 27210 | 2020-10-23 11:37:58 |
| R37.htm | 322143 | 2020-10-23 11:37:58 |
| R38.htm | 171268 | 2020-10-23 11:37:58 |
| R39.htm | 64934 | 2020-10-23 11:37:58 |
| R4.htm | 16323 | 2020-10-23 11:37:58 |
| R40.htm | 94613 | 2020-10-23 11:37:58 |
| R41.htm | 55015 | 2020-10-23 11:37:58 |
| R42.htm | 196455 | 2020-10-23 11:37:58 |
| R43.htm | 222789 | 2020-10-23 11:37:58 |
| R44.htm | 43554 | 2020-10-23 11:37:58 |
| R45.htm | 24566 | 2020-10-23 11:37:58 |
| R46.htm | 191859 | 2020-10-23 11:37:58 |
| R47.htm | 87494 | 2020-10-23 11:37:58 |
| R48.htm | 31758 | 2020-10-23 11:37:58 |
| R49.htm | 80191 | 2020-10-23 11:37:58 |
| R5.htm | 116301 | 2020-10-23 11:37:58 |
| R50.htm | 23777 | 2020-10-23 11:37:58 |
| R51.htm | 108779 | 2020-10-23 11:37:58 |
| R52.htm | 81758 | 2020-10-23 11:37:58 |
| R53.htm | 175711 | 2020-10-23 11:37:58 |
| R54.htm | 45392 | 2020-10-23 11:37:58 |
| R55.htm | 56415 | 2020-10-23 11:37:58 |
| R56.htm | 46535 | 2020-10-23 11:37:58 |
| R57.htm | 119711 | 2020-10-23 11:37:58 |
| R58.htm | 46778 | 2020-10-23 11:37:58 |
| R59.htm | 21874 | 2020-10-23 11:37:58 |
| R6.htm | 47573 | 2020-10-23 11:37:58 |
| R60.htm | 22241 | 2020-10-23 11:37:58 |
| R61.htm | 21393 | 2020-10-23 11:37:58 |
| R62.htm | 34271 | 2020-10-23 11:37:58 |
| R63.htm | 19992 | 2020-10-23 11:37:58 |
| R64.htm | 27010 | 2020-10-23 11:37:58 |
| R65.htm | 32041 | 2020-10-23 11:37:58 |
| R66.htm | 17284 | 2020-10-23 11:37:58 |
| R67.htm | 18681 | 2020-10-23 11:37:58 |
| R68.htm | 17993 | 2020-10-23 11:37:58 |
| R69.htm | 28896 | 2020-10-23 11:37:58 |
| R7.htm | 144437 | 2020-10-23 11:37:58 |
| R70.htm | 6584 | 2020-10-23 11:37:58 |
| R71.htm | 54395 | 2020-10-23 11:37:58 |
| R72.htm | 57746 | 2020-10-23 11:37:58 |
| R73.htm | 42449 | 2020-10-23 11:37:58 |
| R74.htm | 8999 | 2020-10-23 11:37:58 |
| R75.htm | 9844 | 2020-10-23 11:37:58 |
| R76.htm | 8523 | 2020-10-23 11:37:58 |
| R77.htm | 17628 | 2020-10-23 11:37:58 |
| R78.htm | 24169 | 2020-10-23 11:37:58 |
| R79.htm | 52423 | 2020-10-23 11:37:58 |
| R8.htm | 112315 | 2020-10-23 11:37:58 |
| R80.htm | 78534 | 2020-10-23 11:37:58 |
| R81.htm | 52908 | 2020-10-23 11:37:58 |
| R82.htm | 65132 | 2020-10-23 11:37:58 |
| R83.htm | 14065 | 2020-10-23 11:37:58 |
| R84.htm | 17012 | 2020-10-23 11:37:58 |
| R85.htm | 26525 | 2020-10-23 11:37:58 |
| R86.htm | 49437 | 2020-10-23 11:37:58 |
| R87.htm | 48056 | 2020-10-23 11:37:58 |
| R88.htm | 77865 | 2020-10-23 11:37:58 |
| R89.htm | 43599 | 2020-10-23 11:37:58 |
| R9.htm | 16184 | 2020-10-23 11:37:58 |
| R90.htm | 18245 | 2020-10-23 11:37:58 |
| R91.htm | 8941 | 2020-10-23 11:37:58 |
| R92.htm | 27363 | 2020-10-23 11:37:58 |
| R93.htm | 45764 | 2020-10-23 11:37:58 |
| R94.htm | 4365 | 2020-10-23 11:37:58 |
| R95.htm | 54406 | 2020-10-23 11:37:58 |
| R96.htm | 9346 | 2020-10-23 11:37:58 |
| R97.htm | 84491 | 2020-10-23 11:37:58 |
| R98.htm | 17907 | 2020-10-23 11:37:58 |
| R99.htm | 9612 | 2020-10-23 11:37:58 |
| report.css | 2768 | 2020-10-23 11:37:58 |
| Show.js | 1086 | 2020-10-23 11:37:58 |
| stt-20200930.htm | 10191231 | 2020-10-23 11:37:58 |
| stt-20200930.xsd | 105914 | 2020-10-23 11:37:58 |
| stt-20200930_cal.xml | 215907 | 2020-10-23 11:37:58 |
| stt-20200930_def.xml | 682127 | 2020-10-23 11:37:58 |
| stt-20200930_htm.xml | 11068222 | 2020-10-23 11:37:58 |
| stt-20200930_lab.xml | 1180669 | 2020-10-23 11:37:58 |
| stt-20200930_pre.xml | 876894 | 2020-10-23 11:37:58 |