Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000705432-20-000169-index-headers.html | 2020-10-30 13:49:04 | |
| 0000705432-20-000169-index.html | 2020-10-30 13:49:04 | |
| 0000705432-20-000169.txt | 2020-10-30 13:49:04 | |
 0000705432-20-000169-xbrl.zip | 512673 | 2020-10-30 13:49:04 |
| FilingSummary.xml | 43986 | 2020-10-30 13:49:04 |
| Financial_Report.xlsx | 150354 | 2020-10-30 13:49:04 |
| MetaLinks.json | 911226 | 2020-10-30 13:49:04 |
| R1.htm | 52212 | 2020-10-30 13:49:04 |
| R10.htm | 25722 | 2020-10-30 13:49:04 |
| R11.htm | 148213 | 2020-10-30 13:49:04 |
| R12.htm | 204928 | 2020-10-30 13:49:04 |
| R13.htm | 471369 | 2020-10-30 13:49:04 |
| R14.htm | 47890 | 2020-10-30 13:49:04 |
| R15.htm | 34215 | 2020-10-30 13:49:04 |
| R16.htm | 67905 | 2020-10-30 13:49:04 |
| R17.htm | 65614 | 2020-10-30 13:49:04 |
| R18.htm | 193401 | 2020-10-30 13:49:04 |
| R19.htm | 19871 | 2020-10-30 13:49:04 |
| R2.htm | 115594 | 2020-10-30 13:49:04 |
| R20.htm | 31159 | 2020-10-30 13:49:04 |
| R21.htm | 81595 | 2020-10-30 13:49:04 |
| R22.htm | 25617 | 2020-10-30 13:49:04 |
| R23.htm | 25008 | 2020-10-30 13:49:04 |
| R24.htm | 149448 | 2020-10-30 13:49:04 |
| R25.htm | 201787 | 2020-10-30 13:49:04 |
| R26.htm | 460564 | 2020-10-30 13:49:04 |
| R27.htm | 44642 | 2020-10-30 13:49:04 |
| R28.htm | 37766 | 2020-10-30 13:49:04 |
| R29.htm | 61450 | 2020-10-30 13:49:04 |
| R3.htm | 18871 | 2020-10-30 13:49:04 |
| R30.htm | 59212 | 2020-10-30 13:49:04 |
| R31.htm | 173507 | 2020-10-30 13:49:04 |
| R32.htm | 16688 | 2020-10-30 13:49:04 |
| R33.htm | 26287 | 2020-10-30 13:49:04 |
| R34.htm | 39809 | 2020-10-30 13:49:04 |
| R35.htm | 55375 | 2020-10-30 13:49:04 |
| R36.htm | 40311 | 2020-10-30 13:49:04 |
| R37.htm | 50866 | 2020-10-30 13:49:04 |
| R38.htm | 57101 | 2020-10-30 13:49:04 |
| R39.htm | 47146 | 2020-10-30 13:49:04 |
| R4.htm | 117393 | 2020-10-30 13:49:04 |
| R40.htm | 61085 | 2020-10-30 13:49:04 |
| R41.htm | 11153 | 2020-10-30 13:49:04 |
| R42.htm | 80954 | 2020-10-30 13:49:04 |
| R43.htm | 9110 | 2020-10-30 13:49:04 |
| R44.htm | 51514 | 2020-10-30 13:49:04 |
| R45.htm | 31851 | 2020-10-30 13:49:04 |
| R46.htm | 157179 | 2020-10-30 13:49:04 |
| R47.htm | 59479 | 2020-10-30 13:49:04 |
| R48.htm | 35375 | 2020-10-30 13:49:04 |
| R49.htm | 43263 | 2020-10-30 13:49:04 |
| R5.htm | 54843 | 2020-10-30 13:49:04 |
| R50.htm | 78858 | 2020-10-30 13:49:04 |
| R51.htm | 27501 | 2020-10-30 13:49:04 |
| R52.htm | 22423 | 2020-10-30 13:49:04 |
| R53.htm | 21835 | 2020-10-30 13:49:04 |
| R54.htm | 64766 | 2020-10-30 13:49:04 |
| R55.htm | 40764 | 2020-10-30 13:49:04 |
| R56.htm | 47502 | 2020-10-30 13:49:04 |
| R57.htm | 38284 | 2020-10-30 13:49:04 |
| R58.htm | 26575 | 2020-10-30 13:49:04 |
| R59.htm | 50049 | 2020-10-30 13:49:04 |
| R6.htm | 85934 | 2020-10-30 13:49:04 |
| R60.htm | 22267 | 2020-10-30 13:49:04 |
| R61.htm | 9553 | 2020-10-30 13:49:04 |
| R62.htm | 92538 | 2020-10-30 13:49:04 |
| R63.htm | 60030 | 2020-10-30 13:49:04 |
| R64.htm | 7883 | 2020-10-30 13:49:04 |
| R65.htm | 13286 | 2020-10-30 13:49:04 |
| R66.htm | 13420 | 2020-10-30 13:49:04 |
| R67.htm | 10424 | 2020-10-30 13:49:04 |
| R68.htm | 9326 | 2020-10-30 13:49:04 |
| R69.htm | 20548 | 2020-10-30 13:49:04 |
| R7.htm | 13188 | 2020-10-30 13:49:04 |
| R8.htm | 127356 | 2020-10-30 13:49:04 |
| R9.htm | 58983 | 2020-10-30 13:49:04 |
| report.css | 2767 | 2020-10-30 13:49:04 |
| sbsi-20200930.htm | 4416289 | 2020-10-30 13:49:04 |
| sbsi-20200930.xsd | 59182 | 2020-10-30 13:49:04 |
| sbsi-20200930_cal.xml | 172435 | 2020-10-30 13:49:04 |
| sbsi-20200930_def.xml | 413669 | 2020-10-30 13:49:04 |
| sbsi-20200930_htm.xml | 4729240 | 2020-10-30 13:49:04 |
| sbsi-20200930_lab.xml | 902916 | 2020-10-30 13:49:04 |
| sbsi-20200930_pre.xml | 643054 | 2020-10-30 13:49:04 |
| sbsi093020ex311.htm | 11590 | 2020-10-30 13:49:04 |
| sbsi093020ex312.htm | 11140 | 2020-10-30 13:49:04 |
| sbsi093020ex32.htm | 7418 | 2020-10-30 13:49:04 |
| Show.js | 1085 | 2020-10-30 13:49:04 |