XML 22 R98.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Fair Value of Financial Instruments (Level 3 Assets and Liabilities Measured at Fair Value) (Details) $ in Thousands	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Foreclosed properties	$ 3,873	$ 7,440
Significant Unobservable Inputs (Level 3)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans - valued at collateral value	10,718	13,071
Impaired loans - valued at PV of expected cash flows	5,497
Foreclosed properties	$ 1,830	$ 7,440
Significant Unobservable Inputs (Level 3) | Minimum | Appraised value; PV of expected cash flows | Discounts to reflect current market conditions, ultimate collectability, and estimated costs to sell
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans - valued at collateral value, measurement input	0	0
Impaired loans - valued at PV, measurement input	0.04
Foreclosed real estate, measurement input	0	0
Significant Unobservable Inputs (Level 3) | Maximum | Appraised value; PV of expected cash flows | Discounts to reflect current market conditions, ultimate collectability, and estimated costs to sell
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans - valued at collateral value, measurement input	0.1	0.1
Impaired loans - valued at PV, measurement input	0.11
Foreclosed real estate, measurement input	0.1	0.1
Significant Unobservable Inputs (Level 3) | Weighted Average | Appraised value; PV of expected cash flows | Discounts to reflect current market conditions, ultimate collectability, and estimated costs to sell
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans - valued at PV, measurement input	0.0650

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=118936363&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=6876686&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:	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:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputDiscountRateMember
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: