XML 66 R55.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Loans and Allowance for Loan Losses - Impaired Loans Recognized, Segregated by Class (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016 | Dec. 31, 2016
Financing Receivable Impaired [Line Items] |  |  |  |  |
Impaired loans with related allowance, Recorded investment | $ 1,942 |  | $ 1,942 |  | $ 2,744
Impaired loans with related allowance, Unpaid principal | 2,491 |  | 2,491 |  | 3,556
Impaired loans with related allowance, Related allowance | 202 |  | 202 |  | 513
Impaired loan with no related allowance, Recorded investment | 7,272 |  | 7,272 |  | 10,207
Impaired loan with no related allowance, Unpaid principal | 8,622 |  | 8,622 |  | 12,170
Total impaired loans, Recorded investment | 9,214 |  | 9,214 |  | 12,951
Total impaired loans, Unpaid principal | 11,113 |  | 11,113 |  | 15,726
Impaired loan with no related allowance, Average recorded investment | 7,361 | $ 9,018 | 8,740 | $ 8,023 |
Impaired loan with no related allowance, Interest income recognized (cash basis) | 66 | 87 | 147 | 218 |
Impaired loans with related allowance, Average recorded investment | 1,956 | 3,571 | 2,343 | 7,644 |
Impaired loans with related allowance, Interest income recognized (cash basis) | 15 | 21 | 32 | 48 |
Total impaired loans, Average recorded investment | 9,317 | 12,589 | 11,083 | 15,667 |
Total impaired loans, Interest income recognized (cash basis) | 81 | 108 | 179 | 266 |
Commercial and Industrial |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Impaired loans with related allowance, Recorded investment | 730 |  | 730 |  | 854
Impaired loans with related allowance, Unpaid principal | 445 |  | 445 |  | 854
Impaired loans with related allowance, Related allowance | 38 |  | 38 |  | 135
Impaired loan with no related allowance, Recorded investment | 492 |  | 492 |  | 622
Impaired loan with no related allowance, Unpaid principal | 631 |  | 631 |  | 746
Impaired loan with no related allowance, Average recorded investment | 519 | 578 | 557 | 488 |
Impaired loan with no related allowance, Interest income recognized (cash basis) | 7 |  | 16 | 4 |
Impaired loans with related allowance, Average recorded investment | 729 | 848 | 792 | 1,051 |
Impaired loans with related allowance, Interest income recognized (cash basis) | 5 | 6 | 10 | 11 |
Construction |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Impaired loan with no related allowance, Recorded investment | 299 |  | 299 |  | 2,686
Impaired loan with no related allowance, Unpaid principal | 315 |  | 315 |  | 2,694
Impaired loan with no related allowance, Average recorded investment | 302 | 1,549 | 1,493 | 2,676 |
Impaired loan with no related allowance, Interest income recognized (cash basis) | 4 | 31 | 9 | 62 |
Impaired loans with related allowance, Average recorded investment |  |  |  | 154 |
Residential Real Estate | 1-to-4 Family Mortgage |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Impaired loans with related allowance, Recorded investment | 96 |  | 96 |  | 103
Impaired loans with related allowance, Unpaid principal | 362 |  | 362 |  | 369
Impaired loans with related allowance, Related allowance | 17 |  | 17 |  | 23
Impaired loan with no related allowance, Recorded investment | 2,095 |  | 2,095 |  | 2,368
Impaired loan with no related allowance, Unpaid principal | 2,097 |  | 2,097 |  | 2,370
Impaired loan with no related allowance, Average recorded investment | 2,106 | 2,661 | 2,232 | 1,746 |
Impaired loan with no related allowance, Interest income recognized (cash basis) | 15 | 38 | 32 | 96 |
Impaired loans with related allowance, Average recorded investment | 98 | 481 | 100 | 2,130 |
Impaired loans with related allowance, Interest income recognized (cash basis) |  | 10 |  | 26 |
Residential Real Estate | Residential Line of Credit |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Impaired loan with no related allowance, Recorded investment |  |  |  |  | 311
Impaired loan with no related allowance, Unpaid principal |  |  |  |  | 321
Impaired loan with no related allowance, Average recorded investment |  |  | 156 |  |
Impaired loans with related allowance, Average recorded investment |  | 160 |  | 160 |
Impaired loans with related allowance, Interest income recognized (cash basis) |  | 2 |  | 2 |
Residential Real Estate | Multi-Family Mortgage |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Impaired loan with no related allowance, Recorded investment | 1,001 |  | 1,001 |  | 1,027
Impaired loan with no related allowance, Unpaid principal | 1,000 |  | 1,000 |  | 1,027
Impaired loan with no related allowance, Average recorded investment | 1,008 | 1,030 | 1,014 | 1,060 |
Impaired loan with no related allowance, Interest income recognized (cash basis) | 12 | 11 | 23 | 12 |
Commercial Real Estate | Owner Occupied |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Impaired loans with related allowance, Recorded investment | 609 |  | 609 |  | 635
Impaired loans with related allowance, Unpaid principal | 648 |  | 648 |  | 654
Impaired loans with related allowance, Related allowance | 85 |  | 85 |  | 113
Impaired loan with no related allowance, Recorded investment | 1,765 |  | 1,765 |  | 2,117
Impaired loan with no related allowance, Unpaid principal | 2,222 |  | 2,222 |  | 3,205
Impaired loan with no related allowance, Average recorded investment | 1,801 | 1,799 | 1,941 | 943 |
Impaired loan with no related allowance, Interest income recognized (cash basis) | 23 | 7 | 61 | 43 |
Impaired loans with related allowance, Average recorded investment | 616 | 431 | 622 | 1,271 |
Impaired loans with related allowance, Interest income recognized (cash basis) | 8 | 1 | 20 | 1 |
Commercial Real Estate | Non-Owner Occupied |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Impaired loans with related allowance, Recorded investment | 507 |  | 507 |  | 1,151
Impaired loans with related allowance, Unpaid principal | 1,036 |  | 1,036 |  | 1,678
Impaired loans with related allowance, Related allowance | 62 |  | 62 |  | 242
Impaired loan with no related allowance, Recorded investment | 1,596 |  | 1,596 |  | 1,050
Impaired loan with no related allowance, Unpaid principal | 2,333 |  | 2,333 |  | 1,781
Impaired loan with no related allowance, Average recorded investment | 1,602 | 1,389 | 1,323 | 1,110 |
Impaired loan with no related allowance, Interest income recognized (cash basis) | 5 |  | 5 | 1 |
Impaired loans with related allowance, Average recorded investment | 514 | 1,652 | 829 | 2,878 |
Impaired loans with related allowance, Interest income recognized (cash basis) | 2 | 2 | 2 | $ 8 |
Consumer and Other |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Impaired loans with related allowance, Recorded investment |  |  |  |  | 1
Impaired loans with related allowance, Unpaid principal |  |  |  |  | 1
Impaired loan with no related allowance, Recorded investment | 24 |  | 24 |  | 26
Impaired loan with no related allowance, Unpaid principal | 24 |  | 24 |  | $ 26
Impaired loan with no related allowance, Average recorded investment | $ 25 | $ 13 | 25 |  |
Impaired loan with no related allowance, Interest income recognized (cash basis) |  |  | 1 |  |
Impaired loans with related allowance, Average recorded investment |  |  | $ 1 |  |

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_FinancingReceivableImpairedLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5258-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableInterestIncomeCashBasisMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5258-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income, recognized on cash basis, on financing receivables, for which there is no related allowance for credit losses and are recognized as impaired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of investment in impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5258-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income on financing receivables, for which there is a related allowance for credit losses, recognized on a cash-basis method of accounting that the financing receivables were impaired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of investment in impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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: |