XML 80 R69.htm IDEA: XBRL DOCUMENT
v3.21.2

Fair Value (Level 3 Assets and Liabilities Measured at Fair Value) (Details) $ in Thousands | Jun. 30, 2021 USD ($) | Dec. 31, 2020 USD ($)
--- | --- | ---
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Foreclosed real estate | $ 826 | $ 2,424
Significant Unobservable Inputs (Level 3) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Collateral-dependent loans | 9,203 | 16,000
Cash flow dependent | 4,760 | 6,142
Foreclosed real estate | $ 378 | $ 1,484
Significant Unobservable Inputs (Level 3) | Appraised value | Discount rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Impaired loans, measurement input | 0.10 | 0.10
Foreclosed real estate, measurement input | 0.10 | 0.10
Significant Unobservable Inputs (Level 3) | Minimum | PV of expected cash flows | Discount rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Impaired loans - valued at PV of expected cash flows, measurement input | 0.04 | 0.04
Significant Unobservable Inputs (Level 3) | Maximum | PV of expected cash flows | Discount rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Impaired loans - valued at PV of expected cash flows, measurement input | 0.11 | 0.11
Significant Unobservable Inputs (Level 3) | Weighted Average | PV of expected cash flows | Discount rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Impaired loans - valued at PV of expected cash flows, measurement input | 0.0612 | 0.0621

X
- Definition Foreclosed Real Estate, Measurement Input + References No definition available. + Details
Name: | fbnc_ForeclosedRealEstateMeasurementInput
Namespace Prefix: | fbnc_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Impaired Financing Receivable, Valued At Present Value, Recorded Investment + References No definition available. + Details
Name: | fbnc_ImpairedFinancingReceivableValuedAtPresentValueRecordedInvestment
Namespace Prefix: | fbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Impaired Loans, Measurement Input + References No definition available. + Details
Name: | fbnc_ImpairedLoansMeasurementInput
Namespace Prefix: | fbnc_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Impaired Loans, Valued At Present Value, Measurement Input + References No definition available. + Details
Name: | fbnc_ImpairedLoansValuedAtPresentValueMeasurementInput
Namespace Prefix: | fbnc_
Data Type: | xbrli:decimalItemType
Balance Type: | na
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_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(4)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_OtherRealEstateAndForeclosedAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=fbnc_ValuationTechniqueAppraisedValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputDiscountRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=us-gaap_ValuationTechniqueDiscountedCashFlowMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |