Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000719220-16-000031-index-headers.html | 2016-05-04 16:31:06 | |
| 0000719220-16-000031-index.html | 2016-05-04 16:31:06 | |
| 0000719220-16-000031.txt | 2016-05-04 16:31:06 | |
 0000719220-16-000031-xbrl.zip | 358791 | 2016-05-04 16:31:06 |
| exhibit311q12016.htm | 11417 | 2016-05-04 16:31:06 |
| exhibit312q12016.htm | 11084 | 2016-05-04 16:31:06 |
| exhibit32q12016.htm | 6423 | 2016-05-04 16:31:06 |
| FilingSummary.xml | 46249 | 2016-05-04 16:31:06 |
| Financial_Report.xlsx | 126891 | 2016-05-04 16:31:06 |
| R1.htm | 20404 | 2016-05-04 16:31:06 |
| R10.htm | 44408 | 2016-05-04 16:31:06 |
| R11.htm | 273526 | 2016-05-04 16:31:06 |
| R12.htm | 196480 | 2016-05-04 16:31:06 |
| R13.htm | 220801 | 2016-05-04 16:31:06 |
| R14.htm | 481810 | 2016-05-04 16:31:06 |
| R15.htm | 76825 | 2016-05-04 16:31:06 |
| R16.htm | 37687 | 2016-05-04 16:31:06 |
| R17.htm | 17242 | 2016-05-04 16:31:06 |
| R18.htm | 29602 | 2016-05-04 16:31:06 |
| R19.htm | 22095 | 2016-05-04 16:31:06 |
| R2.htm | 86712 | 2016-05-04 16:31:06 |
| R20.htm | 89889 | 2016-05-04 16:31:06 |
| R21.htm | 7123 | 2016-05-04 16:31:06 |
| R22.htm | 82487 | 2016-05-04 16:31:06 |
| R23.htm | 23370 | 2016-05-04 16:31:06 |
| R24.htm | 43462 | 2016-05-04 16:31:06 |
| R25.htm | 255674 | 2016-05-04 16:31:06 |
| R26.htm | 199496 | 2016-05-04 16:31:06 |
| R27.htm | 215123 | 2016-05-04 16:31:06 |
| R28.htm | 481331 | 2016-05-04 16:31:06 |
| R29.htm | 70836 | 2016-05-04 16:31:06 |
| R3.htm | 15562 | 2016-05-04 16:31:06 |
| R30.htm | 31091 | 2016-05-04 16:31:06 |
| R31.htm | 12727 | 2016-05-04 16:31:06 |
| R32.htm | 27462 | 2016-05-04 16:31:06 |
| R33.htm | 19931 | 2016-05-04 16:31:06 |
| R34.htm | 86949 | 2016-05-04 16:31:06 |
| R35.htm | 7685 | 2016-05-04 16:31:06 |
| R36.htm | 70040 | 2016-05-04 16:31:06 |
| R37.htm | 46744 | 2016-05-04 16:31:06 |
| R38.htm | 46878 | 2016-05-04 16:31:06 |
| R39.htm | 103603 | 2016-05-04 16:31:06 |
| R4.htm | 93053 | 2016-05-04 16:31:06 |
| R40.htm | 28358 | 2016-05-04 16:31:06 |
| R41.htm | 98851 | 2016-05-04 16:31:06 |
| R42.htm | 37214 | 2016-05-04 16:31:06 |
| R43.htm | 13891 | 2016-05-04 16:31:06 |
| R44.htm | 58369 | 2016-05-04 16:31:06 |
| R45.htm | 21546 | 2016-05-04 16:31:06 |
| R46.htm | 49750 | 2016-05-04 16:31:06 |
| R47.htm | 51838 | 2016-05-04 16:31:06 |
| R48.htm | 39021 | 2016-05-04 16:31:06 |
| R49.htm | 45198 | 2016-05-04 16:31:06 |
| R5.htm | 34031 | 2016-05-04 16:31:06 |
| R50.htm | 58653 | 2016-05-04 16:31:06 |
| R51.htm | 25075 | 2016-05-04 16:31:06 |
| R52.htm | 11895 | 2016-05-04 16:31:06 |
| R53.htm | 59514 | 2016-05-04 16:31:06 |
| R54.htm | 37220 | 2016-05-04 16:31:06 |
| R55.htm | 14411 | 2016-05-04 16:31:06 |
| R56.htm | 35329 | 2016-05-04 16:31:06 |
| R57.htm | 73536 | 2016-05-04 16:31:06 |
| R58.htm | 34214 | 2016-05-04 16:31:06 |
| R59.htm | 44946 | 2016-05-04 16:31:06 |
| R6.htm | 12986 | 2016-05-04 16:31:06 |
| R60.htm | 4031 | 2016-05-04 16:31:06 |
| R61.htm | 35949 | 2016-05-04 16:31:06 |
| R62.htm | 34093 | 2016-05-04 16:31:06 |
| R63.htm | 12303 | 2016-05-04 16:31:06 |
| R64.htm | 42442 | 2016-05-04 16:31:06 |
| R65.htm | 24252 | 2016-05-04 16:31:06 |
| R66.htm | 4625 | 2016-05-04 16:31:06 |
| R67.htm | 9287 | 2016-05-04 16:31:06 |
| R68.htm | 27671 | 2016-05-04 16:31:06 |
| R69.htm | 15314 | 2016-05-04 16:31:06 |
| R7.htm | 103719 | 2016-05-04 16:31:06 |
| R70.htm | 17230 | 2016-05-04 16:31:06 |
| R71.htm | 6316 | 2016-05-04 16:31:06 |
| R72.htm | 12132 | 2016-05-04 16:31:06 |
| R73.htm | 44176 | 2016-05-04 16:31:06 |
| R74.htm | 10891 | 2016-05-04 16:31:06 |
| R8.htm | 28404 | 2016-05-04 16:31:06 |
| R9.htm | 34800 | 2016-05-04 16:31:06 |
| report.css | 2767 | 2016-05-04 16:31:06 |
| Show.js | 1410 | 2016-05-04 16:31:06 |
| stba-20160331.xml | 4377460 | 2016-05-04 16:31:06 |
| stba-20160331.xsd | 63202 | 2016-05-04 16:31:06 |
| stba-20160331_cal.xml | 151789 | 2016-05-04 16:31:06 |
| stba-20160331_def.xml | 406588 | 2016-05-04 16:31:06 |
| stba-20160331_lab.xml | 884128 | 2016-05-04 16:31:06 |
| stba-20160331_pre.xml | 596259 | 2016-05-04 16:31:06 |
| stba-2016331x10q.htm | 2234661 | 2016-05-04 16:31:06 |