XML 43 R33.htm IDEA: XBRL DOCUMENT
v3.20.2

Loans held for sale (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2020
Receivables [Abstract] |
Schedule for Loans Held For Sale | The following table summarizes loans held for sale, at fair value, as of the periods presented:
|  | September 30, |  | December 31,
|  | 2020 |  | 2019
Commercial and industrial |  | $ | 241,256 |  |  | $ | —
Residential real estate: |  |  |  |
1-4 family mortgage |  | 610,695 |  |  | 262,518 |
Total loans held for sale, at fair value |  | $ | 851,951 |  |  | $ | 262,518 |

X
- Definition Schedule for Loans Held For Sale + References No definition available. + Details
Name: | fbk_ScheduleForLoansHeldForSaleTableTextBlock
Namespace Prefix: | fbk_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration