XML 60 R50.htm IDEA: XBRL DOCUMENT
v3.22.1

Loans and Allowance for Credit Losses - Analysis of Aging by Class of Financing Receivable (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Loans | $ 8,004,976 | $ 7,604,662
90 days or more and accruing interest | 12,873 | 11,735
Non-accrual loans | 27,826 | 35,568
30-89 days past due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 23,915 | 26,450
Loans current on payments and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 7,940,362 | 7,530,909
Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,380,600 | 1,290,565
90 days or more and accruing interest | 58 | 63
Non-accrual loans | 3,882 | 1,520
Commercial and industrial | 30-89 days past due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,543 | 1,030
Commercial and industrial | Loans current on payments and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,375,117 | 1,287,952
Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,468,811 | 1,327,659
90 days or more and accruing interest | 0 | 718
Non-accrual loans | 679 | 3,622
Construction | 30-89 days past due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,622 | 4,852
Construction | Loans current on payments and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,465,510 | 1,318,467
Residential real estate: | 1-to-4 family mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,346,349 | 1,270,467
90 days or more and accruing interest | 11,724 | 9,363
Non-accrual loans | 3,299 | 4,593
Residential real estate: | 1-to-4 family mortgage | 30-89 days past due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 13,508 | 11,007
Residential real estate: | 1-to-4 family mortgage | Loans current on payments and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,317,818 | 1,245,504
Residential real estate: | Residential line of credit |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 392,740 | 383,039
90 days or more and accruing interest | 0 | 0
Non-accrual loans | 1,577 | 1,736
Residential real estate: | Residential line of credit | 30-89 days past due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 536 | 319
Residential real estate: | Residential line of credit | Loans current on payments and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 390,627 | 380,984
Residential real estate: | Multi-family mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 400,501 | 326,551
90 days or more and accruing interest | 0 | 0
Non-accrual loans | 48 | 49
Residential real estate: | Multi-family mortgage | 30-89 days past due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 0
Residential real estate: | Multi-family mortgage | Loans current on payments and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 400,453 | 326,502
Commercial real estate: | Owner occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 978,436 | 951,582
90 days or more and accruing interest | 0 | 0
Non-accrual loans | 6,989 | 6,710
Commercial real estate: | Owner occupied | 30-89 days past due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 415 | 1,417
Commercial real estate: | Owner occupied | Loans current on payments and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 971,032 | 943,455
Commercial real estate: | Non-owner occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,706,546 | 1,730,165
90 days or more and accruing interest | 0 | 0
Non-accrual loans | 7,185 | 14,084
Commercial real estate: | Non-owner occupied | 30-89 days past due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 986 | 427
Commercial real estate: | Non-owner occupied | Loans current on payments and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,698,375 | 1,715,654
Consumer and other |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 330,993 | 324,634
90 days or more and accruing interest | 1,091 | 1,591
Non-accrual loans | 4,167 | 3,254
Consumer and other | 30-89 days past due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 4,305 | 7,398
Consumer and other | Loans current on payments and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | $ 321,430 | $ 312,391

X
- Definition Amount excluding accrued interest, before allowance for credit loss, of financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 3B -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922355-210448 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable on nonaccrual status. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (3) Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (2) + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetNotPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fbk_ConstructionPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbk_OneToFourFamilyMortgagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbk_ResidentialLineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbk_MultiFamilyMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbk_OwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbk_NonOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fbk_ConsumerAndOtherPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |