Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000719220-17-000067-index-headers.html | 2017-11-01 17:57:57 | |
| 0000719220-17-000067-index.html | 2017-11-01 17:57:57 | |
| 0000719220-17-000067.txt | 2017-11-01 17:57:57 | |
 0000719220-17-000067-xbrl.zip | 396772 | 2017-11-01 17:57:57 |
| exhibit311q32017.htm | 11422 | 2017-11-01 17:57:57 |
| exhibit312q32017.htm | 11089 | 2017-11-01 17:57:57 |
| exhibit32q32017.htm | 6309 | 2017-11-01 17:57:57 |
| FilingSummary.xml | 41632 | 2017-11-01 17:57:57 |
| Financial_Report.xlsx | 125197 | 2017-11-01 17:57:57 |
| R1.htm | 20404 | 2017-11-01 17:57:57 |
| R10.htm | 366428 | 2017-11-01 17:57:57 |
| R11.htm | 269577 | 2017-11-01 17:57:57 |
| R12.htm | 390002 | 2017-11-01 17:57:57 |
| R13.htm | 736100 | 2017-11-01 17:57:57 |
| R14.htm | 95132 | 2017-11-01 17:57:57 |
| R15.htm | 37634 | 2017-11-01 17:57:57 |
| R16.htm | 16260 | 2017-11-01 17:57:57 |
| R17.htm | 69705 | 2017-11-01 17:57:57 |
| R18.htm | 33928 | 2017-11-01 17:57:57 |
| R19.htm | 7420 | 2017-11-01 17:57:57 |
| R2.htm | 85305 | 2017-11-01 17:57:57 |
| R20.htm | 5987 | 2017-11-01 17:57:57 |
| R21.htm | 87156 | 2017-11-01 17:57:57 |
| R22.htm | 78521 | 2017-11-01 17:57:57 |
| R23.htm | 350057 | 2017-11-01 17:57:57 |
| R24.htm | 273703 | 2017-11-01 17:57:57 |
| R25.htm | 376745 | 2017-11-01 17:57:57 |
| R26.htm | 734813 | 2017-11-01 17:57:57 |
| R27.htm | 123190 | 2017-11-01 17:57:57 |
| R28.htm | 31103 | 2017-11-01 17:57:57 |
| R29.htm | 12747 | 2017-11-01 17:57:57 |
| R3.htm | 15551 | 2017-11-01 17:57:57 |
| R30.htm | 69973 | 2017-11-01 17:57:57 |
| R31.htm | 33352 | 2017-11-01 17:57:57 |
| R32.htm | 4275 | 2017-11-01 17:57:57 |
| R33.htm | 43328 | 2017-11-01 17:57:57 |
| R34.htm | 107358 | 2017-11-01 17:57:57 |
| R35.htm | 28372 | 2017-11-01 17:57:57 |
| R36.htm | 99271 | 2017-11-01 17:57:57 |
| R37.htm | 37234 | 2017-11-01 17:57:57 |
| R38.htm | 69701 | 2017-11-01 17:57:57 |
| R39.htm | 11758 | 2017-11-01 17:57:57 |
| R4.htm | 95205 | 2017-11-01 17:57:57 |
| R40.htm | 21555 | 2017-11-01 17:57:57 |
| R41.htm | 49821 | 2017-11-01 17:57:57 |
| R42.htm | 83336 | 2017-11-01 17:57:57 |
| R43.htm | 36128 | 2017-11-01 17:57:57 |
| R44.htm | 51148 | 2017-11-01 17:57:57 |
| R45.htm | 120890 | 2017-11-01 17:57:57 |
| R46.htm | 11683 | 2017-11-01 17:57:57 |
| R47.htm | 59060 | 2017-11-01 17:57:57 |
| R48.htm | 37220 | 2017-11-01 17:57:57 |
| R49.htm | 12817 | 2017-11-01 17:57:57 |
| R5.htm | 29277 | 2017-11-01 17:57:57 |
| R50.htm | 35144 | 2017-11-01 17:57:57 |
| R51.htm | 76995 | 2017-11-01 17:57:57 |
| R52.htm | 38364 | 2017-11-01 17:57:57 |
| R53.htm | 45949 | 2017-11-01 17:57:57 |
| R54.htm | 4032 | 2017-11-01 17:57:57 |
| R55.htm | 31479 | 2017-11-01 17:57:57 |
| R56.htm | 37097 | 2017-11-01 17:57:57 |
| R57.htm | 13324 | 2017-11-01 17:57:57 |
| R58.htm | 29882 | 2017-11-01 17:57:57 |
| R59.htm | 24298 | 2017-11-01 17:57:57 |
| R6.htm | 10410 | 2017-11-01 17:57:57 |
| R60.htm | 4626 | 2017-11-01 17:57:57 |
| R61.htm | 9288 | 2017-11-01 17:57:57 |
| R62.htm | 37536 | 2017-11-01 17:57:57 |
| R63.htm | 12446 | 2017-11-01 17:57:57 |
| R64.htm | 15961 | 2017-11-01 17:57:57 |
| R65.htm | 11502 | 2017-11-01 17:57:57 |
| R66.htm | 12168 | 2017-11-01 17:57:57 |
| R7.htm | 102065 | 2017-11-01 17:57:57 |
| R8.htm | 32717 | 2017-11-01 17:57:57 |
| R9.htm | 78083 | 2017-11-01 17:57:57 |
| report.css | 2767 | 2017-11-01 17:57:57 |
| Show.js | 1410 | 2017-11-01 17:57:57 |
| stba-20170930.xml | 6033486 | 2017-11-01 17:57:57 |
| stba-20170930.xsd | 54042 | 2017-11-01 17:57:57 |
| stba-20170930_cal.xml | 139753 | 2017-11-01 17:57:57 |
| stba-20170930_def.xml | 358239 | 2017-11-01 17:57:57 |
| stba-20170930_lab.xml | 783935 | 2017-11-01 17:57:57 |
| stba-20170930_pre.xml | 533165 | 2017-11-01 17:57:57 |
| stba-2017930x10q.htm | 3200396 | 2017-11-01 17:57:57 |