Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001206774-19-003632-index-headers.html | 2019-11-01 12:29:49 | |
| 0001206774-19-003632-index.html | 2019-11-01 12:29:49 | |
| 0001206774-19-003632.txt | 2019-11-01 12:29:49 | |
 0001206774-19-003632-xbrl.zip | 186779 | 2019-11-01 12:29:49 |
| FilingSummary.xml | 39120 | 2019-11-01 12:29:49 |
| Financial_Report.xlsx | 95143 | 2019-11-01 12:29:49 |
| R1.htm | 34461 | 2019-11-01 12:29:49 |
| R10.htm | 7353 | 2019-11-01 12:29:49 |
| R11.htm | 455823 | 2019-11-01 12:29:49 |
| R12.htm | 39423 | 2019-11-01 12:29:49 |
| R13.htm | 20486 | 2019-11-01 12:29:49 |
| R14.htm | 84835 | 2019-11-01 12:29:49 |
| R15.htm | 12096 | 2019-11-01 12:29:49 |
| R16.htm | 19732 | 2019-11-01 12:29:49 |
| R17.htm | 84562 | 2019-11-01 12:29:49 |
| R18.htm | 34612 | 2019-11-01 12:29:49 |
| R19.htm | 168061 | 2019-11-01 12:29:49 |
| R2.htm | 74707 | 2019-11-01 12:29:49 |
| R20.htm | 464485 | 2019-11-01 12:29:49 |
| R21.htm | 38419 | 2019-11-01 12:29:49 |
| R22.htm | 18041 | 2019-11-01 12:29:49 |
| R23.htm | 84726 | 2019-11-01 12:29:49 |
| R24.htm | 10206 | 2019-11-01 12:29:49 |
| R25.htm | 19981 | 2019-11-01 12:29:49 |
| R26.htm | 84309 | 2019-11-01 12:29:49 |
| R27.htm | 27554 | 2019-11-01 12:29:49 |
| R28.htm | 9913 | 2019-11-01 12:29:49 |
| R29.htm | 37255 | 2019-11-01 12:29:49 |
| R3.htm | 14704 | 2019-11-01 12:29:49 |
| R30.htm | 52364 | 2019-11-01 12:29:49 |
| R31.htm | 61106 | 2019-11-01 12:29:49 |
| R32.htm | 10684 | 2019-11-01 12:29:49 |
| R33.htm | 4108 | 2019-11-01 12:29:49 |
| R34.htm | 11955 | 2019-11-01 12:29:49 |
| R35.htm | 36216 | 2019-11-01 12:29:49 |
| R36.htm | 46605 | 2019-11-01 12:29:49 |
| R37.htm | 39774 | 2019-11-01 12:29:49 |
| R38.htm | 27046 | 2019-11-01 12:29:49 |
| R39.htm | 39322 | 2019-11-01 12:29:49 |
| R4.htm | 86291 | 2019-11-01 12:29:49 |
| R40.htm | 27022 | 2019-11-01 12:29:49 |
| R41.htm | 38650 | 2019-11-01 12:29:49 |
| R42.htm | 47133 | 2019-11-01 12:29:49 |
| R43.htm | 36555 | 2019-11-01 12:29:49 |
| R44.htm | 61195 | 2019-11-01 12:29:49 |
| R45.htm | 28754 | 2019-11-01 12:29:49 |
| R46.htm | 34236 | 2019-11-01 12:29:49 |
| R47.htm | 14699 | 2019-11-01 12:29:49 |
| R48.htm | 14846 | 2019-11-01 12:29:49 |
| R49.htm | 39649 | 2019-11-01 12:29:49 |
| R5.htm | 24951 | 2019-11-01 12:29:49 |
| R50.htm | 14348 | 2019-11-01 12:29:49 |
| R51.htm | 39993 | 2019-11-01 12:29:49 |
| R52.htm | 13242 | 2019-11-01 12:29:49 |
| R53.htm | 22726 | 2019-11-01 12:29:49 |
| R54.htm | 4841 | 2019-11-01 12:29:49 |
| R55.htm | 24508 | 2019-11-01 12:29:49 |
| R56.htm | 4113 | 2019-11-01 12:29:49 |
| R57.htm | 56125 | 2019-11-01 12:29:49 |
| R6.htm | 52040 | 2019-11-01 12:29:49 |
| R7.htm | 95900 | 2019-11-01 12:29:49 |
| R8.htm | 19441 | 2019-11-01 12:29:49 |
| R9.htm | 164621 | 2019-11-01 12:29:49 |
| report.css | 2767 | 2019-11-01 12:29:49 |
| sfb35772713-10q.htm | 1352914 | 2019-11-01 12:29:49 |
 sfb35772713-10q1x1x1.jpg | 12737 | 2019-11-01 12:29:49 |
| sfb35772713-ex311.htm | 11243 | 2019-11-01 12:29:49 |
| sfb35772713-ex312.htm | 11201 | 2019-11-01 12:29:49 |
| sfb35772713-ex32.htm | 5413 | 2019-11-01 12:29:49 |
| sfst-20190930.xml | 2927112 | 2019-11-01 12:29:49 |
| sfst-20190930.xsd | 58066 | 2019-11-01 12:29:49 |
| sfst-20190930_cal.xml | 77422 | 2019-11-01 12:29:49 |
| sfst-20190930_def.xml | 293949 | 2019-11-01 12:29:49 |
| sfst-20190930_lab.xml | 409993 | 2019-11-01 12:29:49 |
| sfst-20190930_pre.xml | 394030 | 2019-11-01 12:29:49 |
| Show.js | 1085 | 2019-11-01 12:29:49 |