Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000811589-21-000037-index-headers.html | 2021-08-09 15:05:48 | |
| 0000811589-21-000037-index.html | 2021-08-09 15:05:48 | |
| 0000811589-21-000037.txt | 2021-08-09 15:05:48 | |
 0000811589-21-000037-xbrl.zip | 490790 | 2021-08-09 15:05:48 |
| fbnc-20210630.htm | 3650196 | 2021-08-09 15:05:48 |
| fbnc-20210630.xsd | 75735 | 2021-08-09 15:05:48 |
| fbnc-20210630xexx311.htm | 9617 | 2021-08-09 15:05:48 |
| fbnc-20210630xexx312.htm | 9606 | 2021-08-09 15:05:48 |
| fbnc-20210630xexx321.htm | 4299 | 2021-08-09 15:05:48 |
| fbnc-20210630xexx322.htm | 4294 | 2021-08-09 15:05:48 |
| fbnc-20210630_cal.xml | 152591 | 2021-08-09 15:05:48 |
| fbnc-20210630_def.xml | 472535 | 2021-08-09 15:05:48 |
| fbnc-20210630_htm.xml | 3988981 | 2021-08-09 15:05:48 |
| fbnc-20210630_lab.xml | 972277 | 2021-08-09 15:05:48 |
| fbnc-20210630_pre.xml | 721929 | 2021-08-09 15:05:48 |
| FilingSummary.xml | 52333 | 2021-08-09 15:05:48 |
| Financial_Report.xlsx | 152690 | 2021-08-09 15:05:48 |
| MetaLinks.json | 992447 | 2021-08-09 15:05:48 |
| R1.htm | 52159 | 2021-08-09 15:05:48 |
| R10.htm | 37036 | 2021-08-09 15:05:48 |
| R11.htm | 17532 | 2021-08-09 15:05:48 |
| R12.htm | 53208 | 2021-08-09 15:05:48 |
| R13.htm | 96674 | 2021-08-09 15:05:48 |
| R14.htm | 617668 | 2021-08-09 15:05:48 |
| R15.htm | 31112 | 2021-08-09 15:05:48 |
| R16.htm | 27143 | 2021-08-09 15:05:48 |
| R17.htm | 37349 | 2021-08-09 15:05:48 |
| R18.htm | 104916 | 2021-08-09 15:05:48 |
| R19.htm | 38231 | 2021-08-09 15:05:48 |
| R2.htm | 117005 | 2021-08-09 15:05:48 |
| R20.htm | 14277 | 2021-08-09 15:05:48 |
| R21.htm | 9557 | 2021-08-09 15:05:48 |
| R22.htm | 59222 | 2021-08-09 15:05:48 |
| R23.htm | 5986 | 2021-08-09 15:05:48 |
| R24.htm | 5970 | 2021-08-09 15:05:48 |
| R25.htm | 39107 | 2021-08-09 15:05:48 |
| R26.htm | 12324 | 2021-08-09 15:05:48 |
| R27.htm | 52761 | 2021-08-09 15:05:48 |
| R28.htm | 95223 | 2021-08-09 15:05:48 |
| R29.htm | 586742 | 2021-08-09 15:05:48 |
| R3.htm | 17993 | 2021-08-09 15:05:48 |
| R30.htm | 29730 | 2021-08-09 15:05:48 |
| R31.htm | 22539 | 2021-08-09 15:05:48 |
| R32.htm | 36135 | 2021-08-09 15:05:48 |
| R33.htm | 100964 | 2021-08-09 15:05:48 |
| R34.htm | 27884 | 2021-08-09 15:05:48 |
| R35.htm | 11052 | 2021-08-09 15:05:48 |
| R36.htm | 55069 | 2021-08-09 15:05:48 |
| R37.htm | 9802 | 2021-08-09 15:05:48 |
| R38.htm | 39416 | 2021-08-09 15:05:48 |
| R39.htm | 40899 | 2021-08-09 15:05:48 |
| R4.htm | 127754 | 2021-08-09 15:05:48 |
| R40.htm | 24948 | 2021-08-09 15:05:48 |
| R41.htm | 51281 | 2021-08-09 15:05:48 |
| R42.htm | 4732 | 2021-08-09 15:05:48 |
| R43.htm | 37473 | 2021-08-09 15:05:48 |
| R44.htm | 32993 | 2021-08-09 15:05:48 |
| R45.htm | 61568 | 2021-08-09 15:05:48 |
| R46.htm | 67406 | 2021-08-09 15:05:48 |
| R47.htm | 54129 | 2021-08-09 15:05:48 |
| R48.htm | 68204 | 2021-08-09 15:05:48 |
| R49.htm | 14792 | 2021-08-09 15:05:48 |
| R5.htm | 42183 | 2021-08-09 15:05:48 |
| R50.htm | 21308 | 2021-08-09 15:05:48 |
| R51.htm | 28548 | 2021-08-09 15:05:48 |
| R52.htm | 19460 | 2021-08-09 15:05:48 |
| R53.htm | 90197 | 2021-08-09 15:05:48 |
| R54.htm | 62960 | 2021-08-09 15:05:48 |
| R55.htm | 126119 | 2021-08-09 15:05:48 |
| R56.htm | 51318 | 2021-08-09 15:05:48 |
| R57.htm | 192846 | 2021-08-09 15:05:48 |
| R58.htm | 48294 | 2021-08-09 15:05:48 |
| R59.htm | 24276 | 2021-08-09 15:05:48 |
| R6.htm | 93947 | 2021-08-09 15:05:48 |
| R60.htm | 15574 | 2021-08-09 15:05:48 |
| R61.htm | 20677 | 2021-08-09 15:05:48 |
| R62.htm | 35175 | 2021-08-09 15:05:48 |
| R63.htm | 16796 | 2021-08-09 15:05:48 |
| R64.htm | 13649 | 2021-08-09 15:05:48 |
| R65.htm | 26788 | 2021-08-09 15:05:48 |
| R66.htm | 18246 | 2021-08-09 15:05:48 |
| R67.htm | 29715 | 2021-08-09 15:05:48 |
| R68.htm | 51749 | 2021-08-09 15:05:48 |
| R69.htm | 26214 | 2021-08-09 15:05:48 |
| R7.htm | 4821 | 2021-08-09 15:05:48 |
| R70.htm | 44736 | 2021-08-09 15:05:48 |
| R71.htm | 23285 | 2021-08-09 15:05:48 |
| R72.htm | 7148 | 2021-08-09 15:05:48 |
| R73.htm | 24763 | 2021-08-09 15:05:48 |
| R74.htm | 20510 | 2021-08-09 15:05:48 |
| R75.htm | 11294 | 2021-08-09 15:05:48 |
| R76.htm | 46674 | 2021-08-09 15:05:48 |
| R77.htm | 36622 | 2021-08-09 15:05:48 |
| R78.htm | 31543 | 2021-08-09 15:05:48 |
| R8.htm | 135423 | 2021-08-09 15:05:48 |
| R9.htm | 7774 | 2021-08-09 15:05:48 |
| report.css | 2767 | 2021-08-09 15:05:48 |
| Show.js | 1085 | 2021-08-09 15:05:48 |