Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-20-051853-index-headers.html | 2020-11-06 13:47:50 | |
| 0001564590-20-051853-index.html | 2020-11-06 13:47:50 | |
| 0001564590-20-051853.txt | 2020-11-06 13:47:50 | |
 0001564590-20-051853-xbrl.zip | 268978 | 2020-11-06 13:47:50 |
| fbss-10q_20200930.htm | 5872187 | 2020-11-06 13:47:50 |
| fbss-10q_20200930_htm.xml | 5455567 | 2020-11-06 13:47:50 |
| fbss-20200930.xsd | 55870 | 2020-11-06 13:47:50 |
| fbss-20200930_cal.xml | 88213 | 2020-11-06 13:47:50 |
| fbss-20200930_def.xml | 286445 | 2020-11-06 13:47:50 |
| fbss-20200930_lab.xml | 556325 | 2020-11-06 13:47:50 |
| fbss-20200930_pre.xml | 454086 | 2020-11-06 13:47:50 |
| fbss-ex311_9.htm | 15622 | 2020-11-06 13:47:50 |
| fbss-ex312_8.htm | 15662 | 2020-11-06 13:47:50 |
| fbss-ex321_7.htm | 4033 | 2020-11-06 13:47:50 |
| fbss-ex322_6.htm | 4276 | 2020-11-06 13:47:50 |
| FilingSummary.xml | 38879 | 2020-11-06 13:47:50 |
| Financial_Report.xlsx | 103421 | 2020-11-06 13:47:50 |
| MetaLinks.json | 778837 | 2020-11-06 13:47:50 |
| R1.htm | 52203 | 2020-11-06 13:47:50 |
| R10.htm | 32923 | 2020-11-06 13:47:50 |
| R11.htm | 183958 | 2020-11-06 13:47:50 |
| R12.htm | 1186818 | 2020-11-06 13:47:50 |
| R13.htm | 6508 | 2020-11-06 13:47:50 |
| R14.htm | 55504 | 2020-11-06 13:47:50 |
| R15.htm | 67463 | 2020-11-06 13:47:50 |
| R16.htm | 99677 | 2020-11-06 13:47:50 |
| R17.htm | 13847 | 2020-11-06 13:47:50 |
| R18.htm | 584767 | 2020-11-06 13:47:50 |
| R19.htm | 61170 | 2020-11-06 13:47:50 |
| R2.htm | 86143 | 2020-11-06 13:47:50 |
| R20.htm | 6296 | 2020-11-06 13:47:50 |
| R21.htm | 86715 | 2020-11-06 13:47:50 |
| R22.htm | 35462 | 2020-11-06 13:47:50 |
| R23.htm | 185483 | 2020-11-06 13:47:50 |
| R24.htm | 1186205 | 2020-11-06 13:47:50 |
| R25.htm | 48976 | 2020-11-06 13:47:50 |
| R26.htm | 66013 | 2020-11-06 13:47:50 |
| R27.htm | 93939 | 2020-11-06 13:47:50 |
| R28.htm | 402321 | 2020-11-06 13:47:50 |
| R29.htm | 60114 | 2020-11-06 13:47:50 |
| R3.htm | 12488 | 2020-11-06 13:47:50 |
| R30.htm | 88366 | 2020-11-06 13:47:50 |
| R31.htm | 25513 | 2020-11-06 13:47:50 |
| R32.htm | 18340 | 2020-11-06 13:47:50 |
| R33.htm | 30707 | 2020-11-06 13:47:50 |
| R34.htm | 31428 | 2020-11-06 13:47:50 |
| R35.htm | 27078 | 2020-11-06 13:47:50 |
| R36.htm | 45196 | 2020-11-06 13:47:50 |
| R37.htm | 79059 | 2020-11-06 13:47:50 |
| R38.htm | 66382 | 2020-11-06 13:47:50 |
| R39.htm | 69025 | 2020-11-06 13:47:50 |
| R4.htm | 117135 | 2020-11-06 13:47:50 |
| R40.htm | 63445 | 2020-11-06 13:47:50 |
| R41.htm | 11871 | 2020-11-06 13:47:50 |
| R42.htm | 21362 | 2020-11-06 13:47:50 |
| R43.htm | 54794 | 2020-11-06 13:47:50 |
| R44.htm | 26322 | 2020-11-06 13:47:50 |
| R45.htm | 24480 | 2020-11-06 13:47:50 |
| R46.htm | 23001 | 2020-11-06 13:47:50 |
| R47.htm | 26299 | 2020-11-06 13:47:50 |
| R48.htm | 26371 | 2020-11-06 13:47:50 |
| R49.htm | 48164 | 2020-11-06 13:47:50 |
| R5.htm | 28064 | 2020-11-06 13:47:50 |
| R50.htm | 49877 | 2020-11-06 13:47:50 |
| R51.htm | 10965 | 2020-11-06 13:47:50 |
| R52.htm | 20325 | 2020-11-06 13:47:50 |
| R53.htm | 20604 | 2020-11-06 13:47:50 |
| R54.htm | 64664 | 2020-11-06 13:47:50 |
| R55.htm | 21064 | 2020-11-06 13:47:50 |
| R56.htm | 17386 | 2020-11-06 13:47:50 |
| R57.htm | 22013 | 2020-11-06 13:47:50 |
| R58.htm | 20145 | 2020-11-06 13:47:50 |
| R6.htm | 15081 | 2020-11-06 13:47:50 |
| R7.htm | 42890 | 2020-11-06 13:47:50 |
| R8.htm | 17122 | 2020-11-06 13:47:50 |
| R9.htm | 98457 | 2020-11-06 13:47:50 |
| report.css | 2767 | 2020-11-06 13:47:50 |
| Show.js | 1085 | 2020-11-06 13:47:50 |