XML 54 R43.htm IDEA: XBRL DOCUMENT
v3.25.1

Loans, Allowance for Credit Losses, and Asset Quality Information - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | $ 2,288 | $ 879
Nonaccrual Loans with an Allowance | 26,793 | 30,900
Total Nonaccrual Loans | 29,081 | 31,779
Commercial and industrial |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | 0 | 0
Nonaccrual Loans with an Allowance | 9,681 | 9,804
Total Nonaccrual Loans | 9,681 | 9,804
Real estate, commercial | Construction, development & other land loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | 0 | 0
Nonaccrual Loans with an Allowance | 154 | 90
Total Nonaccrual Loans | 154 | 90
Real estate, commercial | Commercial real estate - owner occupied |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | 1,420 | 879
Nonaccrual Loans with an Allowance | 7,979 | 8,488
Total Nonaccrual Loans | 9,399 | 9,367
Real estate, commercial | Commercial real estate - non owner occupied |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | 0 | 0
Nonaccrual Loans with an Allowance | 1,157 | 887
Total Nonaccrual Loans | 1,157 | 887
Real estate, mortgage | Residential 1-4 family real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | 868 | 0
Nonaccrual Loans with an Allowance | 5,831 | 9,487
Total Nonaccrual Loans | 6,699 | 9,487
Real estate, mortgage | Home equity loans/lines of credit |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | 0 | 0
Nonaccrual Loans with an Allowance | 1,781 | 1,795
Total Nonaccrual Loans | 1,781 | 1,795
Consumer loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | 0 | 0
Nonaccrual Loans with an Allowance | 210 | 349
Total Nonaccrual Loans | $ 210 | $ 349

X
- Definition Financing Receivable, Excluding Accrued Interest, Nonaccrual, With Allowance + References No definition available. + Details
Name: | fbnc_FinancingReceivableExcludingAccruedInterestNonaccrualWithAllowance
Namespace Prefix: | fbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance
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_LoansAndLeasesReceivableDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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

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

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

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