Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000719220-15-000010-index-headers.html | 2015-08-04 18:43:21 | |
| 0000719220-15-000010-index.html | 2015-08-04 18:43:21 | |
| 0000719220-15-000010.txt | 2015-08-04 18:43:21 | |
 0000719220-15-000010-xbrl.zip | 386100 | 2015-08-04 18:43:21 |
| exhibit311q22015.htm | 11393 | 2015-08-04 18:43:21 |
| exhibit312q22015.htm | 11060 | 2015-08-04 18:43:21 |
| exhibit32q22015.htm | 6259 | 2015-08-04 18:43:21 |
| FilingSummary.xml | 46301 | 2015-08-04 18:43:21 |
| Financial_Report.xlsx | 124492 | 2015-08-04 18:43:21 |
| R1.htm | 20556 | 2015-08-04 18:43:21 |
| R10.htm | 82433 | 2015-08-04 18:43:21 |
| R11.htm | 275955 | 2015-08-04 18:43:21 |
| R12.htm | 205656 | 2015-08-04 18:43:21 |
| R13.htm | 306614 | 2015-08-04 18:43:21 |
| R14.htm | 634592 | 2015-08-04 18:43:21 |
| R15.htm | 87678 | 2015-08-04 18:43:21 |
| R16.htm | 37242 | 2015-08-04 18:43:21 |
| R17.htm | 17679 | 2015-08-04 18:43:21 |
| R18.htm | 60962 | 2015-08-04 18:43:21 |
| R19.htm | 34925 | 2015-08-04 18:43:21 |
| R2.htm | 88963 | 2015-08-04 18:43:21 |
| R20.htm | 158841 | 2015-08-04 18:43:21 |
| R21.htm | 6671 | 2015-08-04 18:43:21 |
| R22.htm | 32597 | 2015-08-04 18:43:21 |
| R23.htm | 49549 | 2015-08-04 18:43:21 |
| R24.htm | 81258 | 2015-08-04 18:43:21 |
| R25.htm | 258380 | 2015-08-04 18:43:21 |
| R26.htm | 210623 | 2015-08-04 18:43:21 |
| R27.htm | 299311 | 2015-08-04 18:43:21 |
| R28.htm | 633895 | 2015-08-04 18:43:21 |
| R29.htm | 80204 | 2015-08-04 18:43:21 |
| R3.htm | 17780 | 2015-08-04 18:43:21 |
| R30.htm | 31138 | 2015-08-04 18:43:21 |
| R31.htm | 12704 | 2015-08-04 18:43:21 |
| R32.htm | 58262 | 2015-08-04 18:43:21 |
| R33.htm | 33761 | 2015-08-04 18:43:21 |
| R34.htm | 155278 | 2015-08-04 18:43:21 |
| R35.htm | 7818 | 2015-08-04 18:43:21 |
| R36.htm | 69678 | 2015-08-04 18:43:21 |
| R37.htm | 49665 | 2015-08-04 18:43:21 |
| R38.htm | 15144 | 2015-08-04 18:43:21 |
| R39.htm | 54001 | 2015-08-04 18:43:21 |
| R4.htm | 101065 | 2015-08-04 18:43:21 |
| R40.htm | 23272 | 2015-08-04 18:43:21 |
| R41.htm | 85976 | 2015-08-04 18:43:21 |
| R42.htm | 16068 | 2015-08-04 18:43:21 |
| R43.htm | 106408 | 2015-08-04 18:43:21 |
| R44.htm | 37232 | 2015-08-04 18:43:21 |
| R45.htm | 9882 | 2015-08-04 18:43:21 |
| R46.htm | 52669 | 2015-08-04 18:43:21 |
| R47.htm | 11669 | 2015-08-04 18:43:21 |
| R48.htm | 22162 | 2015-08-04 18:43:21 |
| R49.htm | 52947 | 2015-08-04 18:43:21 |
| R5.htm | 40114 | 2015-08-04 18:43:21 |
| R50.htm | 50377 | 2015-08-04 18:43:21 |
| R51.htm | 33922 | 2015-08-04 18:43:21 |
| R52.htm | 70158 | 2015-08-04 18:43:21 |
| R53.htm | 99289 | 2015-08-04 18:43:21 |
| R54.htm | 13568 | 2015-08-04 18:43:21 |
| R55.htm | 11912 | 2015-08-04 18:43:21 |
| R56.htm | 60751 | 2015-08-04 18:43:21 |
| R57.htm | 37438 | 2015-08-04 18:43:21 |
| R58.htm | 7821 | 2015-08-04 18:43:21 |
| R59.htm | 33789 | 2015-08-04 18:43:21 |
| R6.htm | 11452 | 2015-08-04 18:43:21 |
| R60.htm | 74959 | 2015-08-04 18:43:21 |
| R61.htm | 39382 | 2015-08-04 18:43:21 |
| R62.htm | 50392 | 2015-08-04 18:43:21 |
| R63.htm | 4039 | 2015-08-04 18:43:21 |
| R64.htm | 30956 | 2015-08-04 18:43:21 |
| R65.htm | 35491 | 2015-08-04 18:43:21 |
| R66.htm | 13683 | 2015-08-04 18:43:21 |
| R67.htm | 41959 | 2015-08-04 18:43:21 |
| R68.htm | 25613 | 2015-08-04 18:43:21 |
| R69.htm | 4927 | 2015-08-04 18:43:21 |
| R7.htm | 125137 | 2015-08-04 18:43:21 |
| R70.htm | 9421 | 2015-08-04 18:43:21 |
| R71.htm | 41433 | 2015-08-04 18:43:21 |
| R72.htm | 10732 | 2015-08-04 18:43:21 |
| R73.htm | 19154 | 2015-08-04 18:43:21 |
| R74.htm | 4114 | 2015-08-04 18:43:21 |
| R75.htm | 12610 | 2015-08-04 18:43:21 |
| R76.htm | 50690 | 2015-08-04 18:43:21 |
| R77.htm | 11921 | 2015-08-04 18:43:21 |
| R8.htm | 23754 | 2015-08-04 18:43:21 |
| R9.htm | 60154 | 2015-08-04 18:43:21 |
| report.css | 2767 | 2015-08-04 18:43:21 |
| Show.js | 1410 | 2015-08-04 18:43:21 |
| stba-20150630.xml | 5357101 | 2015-08-04 18:43:21 |
| stba-20150630.xsd | 63472 | 2015-08-04 18:43:21 |
| stba-20150630_cal.xml | 161524 | 2015-08-04 18:43:21 |
| stba-20150630_def.xml | 410671 | 2015-08-04 18:43:21 |
| stba-20150630_lab.xml | 889506 | 2015-08-04 18:43:21 |
| stba-20150630_pre.xml | 607342 | 2015-08-04 18:43:21 |
| stba-2015630x10q.htm | 2871103 | 2015-08-04 18:43:21 |