XML 113 R99.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Borrowings and Borrowings Availability - Schedule of Borrowings (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Debt Instrument [Line Items] |  |
Total borrowings, gross | $ 71,050 | $ 64,409
Unamortized discount on acquired borrowings | (3,664) | (2,580)
Total borrowings | $ 67,386 | $ 61,829
Weighted average interest rate | 2.24% | 2.22%
FHLB Principal Reducing Credit Due July 24, 2023 |  |
Debt Instrument [Line Items] |  |
Total borrowings, gross | $ 79 | $ 124
Fixed rate | 1.00% | 1.00%
FHLB Principal Reducing Credit Due December 22, 2023 |  |
Debt Instrument [Line Items] |  |
Total borrowings, gross | $ 952 | $ 991
Fixed rate | 1.25% | 1.25%
FHLB Principal Reducing Credit Due January 15, 2026 |  |
Debt Instrument [Line Items] |  |
Total borrowings, gross |  | $ 5,500
Fixed rate |  | 1.98%
FHLB Principal Reducing Credit Due June 26, 2028 |  |
Debt Instrument [Line Items] |  |
Total borrowings, gross | $ 225 | $ 235
Fixed rate | 0.25% | 0.25%
FHLB Principal Reducing Credit Due July 17, 2028 |  |
Debt Instrument [Line Items] |  |
Total borrowings, gross | $ 44 | $ 49
Fixed rate | 0.00% | 0.00%
FHLB Principal Reducing Credit Due August 18, 2028 |  |
Debt Instrument [Line Items] |  |
Total borrowings, gross | $ 166 | $ 174
Fixed rate | 1.00% | 1.00%
FHLB Principal Reducing Credit Due August 22, 2028 |  |
Debt Instrument [Line Items] |  |
Total borrowings, gross | $ 166 | $ 174
Fixed rate | 1.00% | 1.00%
FHLB Principal Reducing Credit Due December 20, 2028 |  |
Debt Instrument [Line Items] |  |
Total borrowings, gross | $ 342 | $ 355
Fixed rate | 0.50% | 0.50%
Other Borrowing |  |
Debt Instrument [Line Items] |  |
Total borrowings, gross |  | $ 103
Fixed rate |  | 1.00%
Trust Preferred Securities Due January 23, 2034 |  |
Debt Instrument [Line Items] |  |
Total borrowings, gross | $ 20,620 | $ 20,620
Weighted average interest rate | 2.83% | 2.91%
Trust Preferred Securities Due January 23, 2034 | Three-month LIBOR |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate (as a percent) | 2.70% | 2.70%
Trust Preferred Securities Due June 15, 2036 |  |
Debt Instrument [Line Items] |  |
Total borrowings, gross | $ 25,774 | $ 25,774
Weighted average interest rate | 1.59% | 1.61%
Trust Preferred Securities Due June 15, 2036 | Three-month LIBOR |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate (as a percent) | 1.39% | 1.39%
Trust Preferred Securities Due January 7, 2035 |  |
Debt Instrument [Line Items] |  |
Total borrowings, gross | $ 10,310 | $ 10,310
Weighted average interest rate | 2.12% | 2.24%
Basis spread on variable rate (as a percent) | 2.00% | 2.00%
Trust Preferred Securities Due September 20, 2034 |  |
Debt Instrument [Line Items] |  |
Total borrowings, gross | $ 12,372 |
Weighted average interest rate | 2.27% |
Trust Preferred Securities Due September 20, 2034 | Three-month LIBOR |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate (as a percent) | 2.15% |

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: 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(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after accumulated amortization, of debt discount. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28541-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
Name: | us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 Reference 5: 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(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fbnc_FHLBPrincipalReducingCreditDueJuly242023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fbnc_FHLBPrincipalReducingCreditDueDecember222023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fbnc_FHLBPrincipalReducingCreditDueJanuary152026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fbnc_FHLBPrincipalReducingCreditDueJune262028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fbnc_FHLBPrincipalReducingCreditDueJuly172028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fbnc_FHLBPrincipalReducingCreditDueAugust182028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fbnc_FHLBPrincipalReducingCreditDueAugust222028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fbnc_FHLBPrincipalReducingCreditDueDecember202028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fbnc_OtherBorrowingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fbnc_TrustPreferredSecuritiesDueJanuary232034Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fbnc_TrustPreferredSecuritiesDueJune152036Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fbnc_TrustPreferredSecuritiesDueJanuary72035Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fbnc_TrustPreferredSecuritiesDueSeptember202034Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |