Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000811589-22-000051-index-headers.html | 2022-11-07 16:28:54 | |
| 0000811589-22-000051-index.html | 2022-11-07 16:28:54 | |
| 0000811589-22-000051.txt | 2022-11-07 16:28:54 | |
 0000811589-22-000051-xbrl.zip | 441832 | 2022-11-07 16:28:54 |
| fbnc-20220930.htm | 3552687 | 2022-11-07 16:28:54 |
| fbnc-20220930.xsd | 63850 | 2022-11-07 16:28:54 |
| fbnc-20220930xexx311.htm | 9619 | 2022-11-07 16:28:54 |
| fbnc-20220930xexx312.htm | 9626 | 2022-11-07 16:28:54 |
| fbnc-20220930xexx321.htm | 4317 | 2022-11-07 16:28:54 |
| fbnc-20220930xexx322.htm | 4329 | 2022-11-07 16:28:54 |
| fbnc-20220930_cal.xml | 150275 | 2022-11-07 16:28:54 |
| fbnc-20220930_def.xml | 382910 | 2022-11-07 16:28:54 |
| fbnc-20220930_htm.xml | 4074121 | 2022-11-07 16:28:54 |
| fbnc-20220930_lab.xml | 844680 | 2022-11-07 16:28:54 |
| fbnc-20220930_pre.xml | 615900 | 2022-11-07 16:28:54 |
| FilingSummary.xml | 45927 | 2022-11-07 16:28:54 |
| Financial_Report.xlsx | 139299 | 2022-11-07 16:28:54 |
| MetaLinks.json | 900935 | 2022-11-07 16:28:54 |
| R1.htm | 51537 | 2022-11-07 16:28:54 |
| R10.htm | 7562 | 2022-11-07 16:28:54 |
| R11.htm | 104342 | 2022-11-07 16:28:54 |
| R12.htm | 585435 | 2022-11-07 16:28:54 |
| R13.htm | 42569 | 2022-11-07 16:28:54 |
| R14.htm | 66425 | 2022-11-07 16:28:54 |
| R15.htm | 14627 | 2022-11-07 16:28:54 |
| R16.htm | 46352 | 2022-11-07 16:28:54 |
| R17.htm | 99235 | 2022-11-07 16:28:54 |
| R18.htm | 18130 | 2022-11-07 16:28:54 |
| R19.htm | 9914 | 2022-11-07 16:28:54 |
| R2.htm | 106252 | 2022-11-07 16:28:54 |
| R20.htm | 54108 | 2022-11-07 16:28:54 |
| R21.htm | 59199 | 2022-11-07 16:28:54 |
| R22.htm | 36643 | 2022-11-07 16:28:54 |
| R23.htm | 12339 | 2022-11-07 16:28:54 |
| R24.htm | 143120 | 2022-11-07 16:28:54 |
| R25.htm | 586748 | 2022-11-07 16:28:54 |
| R26.htm | 43310 | 2022-11-07 16:28:54 |
| R27.htm | 62253 | 2022-11-07 16:28:54 |
| R28.htm | 11352 | 2022-11-07 16:28:54 |
| R29.htm | 40713 | 2022-11-07 16:28:54 |
| R3.htm | 17850 | 2022-11-07 16:28:54 |
| R30.htm | 94943 | 2022-11-07 16:28:54 |
| R31.htm | 12499 | 2022-11-07 16:28:54 |
| R32.htm | 53739 | 2022-11-07 16:28:54 |
| R33.htm | 57947 | 2022-11-07 16:28:54 |
| R34.htm | 27495 | 2022-11-07 16:28:54 |
| R35.htm | 3979 | 2022-11-07 16:28:54 |
| R36.htm | 39391 | 2022-11-07 16:28:54 |
| R37.htm | 30124 | 2022-11-07 16:28:54 |
| R38.htm | 65774 | 2022-11-07 16:28:54 |
| R39.htm | 71472 | 2022-11-07 16:28:54 |
| R4.htm | 121536 | 2022-11-07 16:28:54 |
| R40.htm | 48046 | 2022-11-07 16:28:54 |
| R41.htm | 80973 | 2022-11-07 16:28:54 |
| R42.htm | 18460 | 2022-11-07 16:28:54 |
| R43.htm | 28212 | 2022-11-07 16:28:54 |
| R44.htm | 21078 | 2022-11-07 16:28:54 |
| R45.htm | 75433 | 2022-11-07 16:28:54 |
| R46.htm | 70090 | 2022-11-07 16:28:54 |
| R47.htm | 65213 | 2022-11-07 16:28:54 |
| R48.htm | 131597 | 2022-11-07 16:28:54 |
| R49.htm | 48083 | 2022-11-07 16:28:54 |
| R5.htm | 36457 | 2022-11-07 16:28:54 |
| R50.htm | 17027 | 2022-11-07 16:28:54 |
| R51.htm | 21695 | 2022-11-07 16:28:54 |
| R52.htm | 5621 | 2022-11-07 16:28:54 |
| R53.htm | 13283 | 2022-11-07 16:28:54 |
| R54.htm | 16693 | 2022-11-07 16:28:54 |
| R55.htm | 58550 | 2022-11-07 16:28:54 |
| R56.htm | 26307 | 2022-11-07 16:28:54 |
| R57.htm | 20324 | 2022-11-07 16:28:54 |
| R58.htm | 13571 | 2022-11-07 16:28:54 |
| R59.htm | 26616 | 2022-11-07 16:28:54 |
| R6.htm | 72019 | 2022-11-07 16:28:54 |
| R60.htm | 57332 | 2022-11-07 16:28:54 |
| R61.htm | 28255 | 2022-11-07 16:28:54 |
| R62.htm | 41962 | 2022-11-07 16:28:54 |
| R63.htm | 29023 | 2022-11-07 16:28:54 |
| R64.htm | 25139 | 2022-11-07 16:28:54 |
| R65.htm | 11254 | 2022-11-07 16:28:54 |
| R66.htm | 51131 | 2022-11-07 16:28:54 |
| R67.htm | 15884 | 2022-11-07 16:28:54 |
| R68.htm | 32115 | 2022-11-07 16:28:54 |
| R69.htm | 23054 | 2022-11-07 16:28:54 |
| R7.htm | 4794 | 2022-11-07 16:28:54 |
| R8.htm | 134092 | 2022-11-07 16:28:54 |
| R9.htm | 7260 | 2022-11-07 16:28:54 |
| R9999.htm | 23012 | 2022-11-07 16:28:54 |
| report.css | 2767 | 2022-11-07 16:28:54 |
| Show.js | 1085 | 2022-11-07 16:28:54 |