$FBNC
FIRST BANCORP /NC/ Stock $fbnc

$fbnc Overview Financials Valuation SEC Filings Company Website

2024 Q4 Form 10-Q Financial Statement

#000081158924000070 Filed on November 06, 2024

Income Statement

Concept	2024 Q4	2024 Q3
Revenue		$131.4M
YoY Change		6.1%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization		$3.826M
YoY Change		-8.9%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense
YoY Change
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income		$22.57M
YoY Change		-40.06%
Income Tax		$3.892M
% Of Pretax Income		17.24%
Net Earnings		$18.68M
YoY Change		-37.51%
Net Earnings / Revenue		14.22%
Basic Earnings Per Share		$0.45
Diluted Earnings Per Share		$0.45
COMMON SHARES
Basic Shares Outstanding	41.34M shares	41.28M shares
Diluted Shares Outstanding		41.37M shares

Balance Sheet

Concept	2024 Q4	2024 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents		$744.4M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment		$159.0M
YoY Change		4.63%
Goodwill		$478.8M
YoY Change		0.0%
Intangibles		$24.47M
YoY Change		-29.85%
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets		$12.15B
YoY Change		1.46%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable		$5.566M
YoY Change		-7.23%
Accrued Expenses		$14.90M
YoY Change		-17.22%
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities		$5.566M
YoY Change		-76.81%
LONG-TERM LIABILITIES
Long-Term Debt		$91.69M
YoY Change		-77.19%
Other Long-Term Liabilities		$73.72M
YoY Change		24.94%
Total Long-Term Liabilities		$165.4M
YoY Change		-64.12%
TOTAL LIABILITIES
Total Short-Term Liabilities		$5.566M
Total Long-Term Liabilities		$165.4M
Total Liabilities		$10.68B
YoY Change		-0.41%
SHAREHOLDERS EQUITY
Retained Earnings		$761.9M
YoY Change		9.5%
Common Stock		$970.5M
YoY Change		0.81%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity		$1.478B
YoY Change
Total Liabilities & Shareholders Equity		$12.15B
YoY Change		1.46%

Cashflow Statement

Concept	2024 Q4	2024 Q3
OPERATING ACTIVITIES
Net Income		$18.68M
YoY Change		-37.51%
Depreciation, Depletion And Amortization		$3.826M
YoY Change		-8.9%
Cash From Operating Activities		$38.42M
YoY Change		86.51%
INVESTING ACTIVITIES
Capital Expenditures		$438.0K
YoY Change		-66.31%
Acquisitions
YoY Change
Other Investing Activities		$88.34M
YoY Change		-205.93%
Cash From Investing Activities		$87.91M
YoY Change		-203.66%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities		9.700M
YoY Change		-142.36%
NET CHANGE
Cash From Operating Activities		38.42M
Cash From Investing Activities		87.91M
Cash From Financing Activities		9.700M
Net Change In Cash		136.0M
YoY Change		-256.18%
FREE CASH FLOW
Cash From Operating Activities		$38.42M
Capital Expenditures		$438.0K
Free Cash Flow		$37.98M
YoY Change		96.81%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0000811589
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	NC
	dei	Security12b Title Security12bTitle	Common Stock, No Par Value
	dei	Trading Symbol TradingSymbol	FBNC
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Shell Company EntityShellCompany	false
CY2024Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	41341919	shares
CY2024Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	74034000	usd
CY2023Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	100891000	usd
CY2024Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	670407000	usd
CY2023Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	136964000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	744441000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	237855000	usd
CY2024Q3	us-gaap	Interest Receivable InterestReceivable	32890000	usd
CY2023Q4	us-gaap	Interest Receivable InterestReceivable	37351000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	478750000	usd
CY2024Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	24466000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	29507000	usd
CY2024Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	187236000	usd
CY2023Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	183897000	usd
CY2024Q3	us-gaap	Other Assets OtherAssets	210812000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	230652000	usd
CY2024Q3	us-gaap	Assets Assets	12153430000	usd
CY2023Q4	us-gaap	Assets Assets	12114942000	usd
CY2024Q3	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	3350237000	usd
CY2023Q4	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	3379876000	usd
CY2024Q3	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	7154692000	usd
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	6651723000	usd
CY2024Q3	us-gaap	Deposits Deposits	10504929000	usd
CY2023Q4	us-gaap	Deposits Deposits	10031599000	usd
CY2024Q3	us-gaap	Long Term Debt LongTermDebt	91694000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	630158000	usd
CY2024Q3	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	5566000	usd
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	41109987	shares
	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	331346000	usd
	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	308857000	usd
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	34798000	usd
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	39415000	usd
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	3350000	usd
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	3368000	usd
	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	17351000	usd
	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	10546000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	386845000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	362186000	usd
	us-gaap	Interest Expense Now Accounts Money Market Accounts And Savings Deposits InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits	130299000	usd
	us-gaap	Interest Expense Now Accounts Money Market Accounts And Savings Deposits InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits	78887000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	243432000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	264174000	usd
CY2024Q3	fbnc	Sba Guaranteed Servicing Income SBAGuaranteedServicingIncome	800000	usd
	dei	Entity File Number EntityFileNumber	0-15572
	dei	Entity Registrant Name EntityRegistrantName	FIRST BANCORP
CY2024Q3	us-gaap	Goodwill Goodwill	478750000	usd
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	41109987	shares
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	13114000	usd
	us-gaap	Net Income Loss NetIncomeLoss	74457000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	14864000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-7082000	usd
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	2839000	usd
	fbnc	Loan Discount Accretion LoanDiscountAccretion	10354000	usd
	fbnc	Other Purchase Accounting Accretion And Amortization Net OtherPurchaseAccountingAccretionAndAmortizationNet	-3241000	usd
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	131000	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	1420000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	1360000	usd
	fbnc	Origination Of Pre Sold Mortgage Loans In Process Of Settlement OriginationOfPreSoldMortgageLoansInProcessOfSettlement	120281000	usd
	fbnc	Proceeds From Sales Of Presold Mortgage Loans In Process Of Settlement ProceedsFromSalesOfPresoldMortgageLoansInProcessOfSettlement	131430000	usd
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	347419000	usd
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	554000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3201000	usd
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	59000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-102500000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-40040000	usd
	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	1665000000	usd
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	1590099000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	27154000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	3429000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	604000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-90716000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	506586000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	237855000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	270318000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	744441000	usd
	us-gaap	Interest Paid Net InterestPaidNet	142610000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	26084000	usd
	fbnc	Unrealized Gain Loss On Securities Available For Sale Net Of Taxes UnrealizedGainLossOnSecuritiesAvailableForSaleNetOfTaxes	53166000	usd
	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	1066000	usd
CY2024Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	9093000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual FinancingReceivableExcludingAccruedInterestNonaccrual	34125000	usd
	fbnc	Fees From Pre Sold Mortgage Loans FeesFromPreSoldMortgageLoans	1288000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3216000	usd
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-1161000	usd
	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	900000	usd
CY2024Q3	us-gaap	Salaries And Wages SalariesAndWages	29955000	usd
CY2023Q3	us-gaap	Salaries And Wages SalariesAndWages	29394000	usd
CY2024Q3	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	6495000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-62610000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	1257683000	usd
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	754000	usd
CY2024Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1600000	usd
CY2023Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2000000.0	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5000000.0	usd
CY2024Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	10779000	usd
CY2023Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	12936000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1907458000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2189379000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	448300000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	449623000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	521801000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	533678000	usd
CY2024Q3	fbnc	Pre Sold Loans In Process Of Settlement PreSoldLoansInProcessOfSettlement	9888000	usd
CY2023Q4	fbnc	Pre Sold Loans In Process Of Settlement PreSoldLoansInProcessOfSettlement	2667000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	122718000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	109853000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	7890820000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	8040249000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	144868000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	150957000	usd
CY2024Q3	us-gaap	Other Liabilities OtherLiabilities	73716000	usd
CY2023Q4	us-gaap	Other Liabilities OtherLiabilities	75106000	usd
CY2024Q3	us-gaap	Liabilities Liabilities	10675905000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	10742562000	usd
CY2024Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
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CY2024Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2024Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	60000000	shares
CY2024Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	41340099	shares
CY2024Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	41340099	shares
CY2024Q3	us-gaap	Common Stock Value CommonStockValue	970450000	usd
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	963990000	usd
CY2024Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	761881000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-308030000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	1477525000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	1372380000	usd
CY2024Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	12153430000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	12114942000	usd
CY2024Q3	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	111076000	usd
CY2023Q3	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	106514000	usd
CY2024Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1116000	usd
CY2023Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1118000	usd
CY2024Q3	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	8438000	usd
CY2023Q3	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	3283000	usd
CY2024Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	131409000	usd
CY2023Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	123851000	usd
CY2024Q3	us-gaap	Interest Expense Now Accounts Money Market Accounts And Savings Deposits InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits	46420000	usd
CY2023Q3	us-gaap	Interest Expense Now Accounts Money Market Accounts And Savings Deposits InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits	32641000	usd
CY2024Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	1946000	usd
CY2023Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	6508000	usd
CY2024Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	83043000	usd
CY2023Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	84702000	usd
CY2024Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	14200000	usd
CY2023Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	0	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	15941000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	14864000	usd
CY2024Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	68843000	usd
CY2023Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	84702000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	227491000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	249310000	usd
CY2024Q3	fbnc	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	4320000	usd
CY2023Q3	fbnc	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	4661000	usd
	fbnc	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	12327000	usd
	fbnc	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	13012000	usd
CY2024Q3	fbnc	Other Service Charges Commissions And Fees OtherServiceChargesCommissionsAndFees	5555000	usd
CY2023Q3	fbnc	Other Service Charges Commissions And Fees OtherServiceChargesCommissionsAndFees	5450000	usd
	fbnc	Other Service Charges Commissions And Fees OtherServiceChargesCommissionsAndFees	16439000	usd
	fbnc	Other Service Charges Commissions And Fees OtherServiceChargesCommissionsAndFees	16677000	usd
CY2024Q3	fbnc	Fees From Pre Sold Mortgage Loans FeesFromPreSoldMortgageLoans	690000	usd
CY2023Q3	fbnc	Fees From Pre Sold Mortgage Loans FeesFromPreSoldMortgageLoans	325000	usd
	fbnc	Fees From Pre Sold Mortgage Loans FeesFromPreSoldMortgageLoans	1616000	usd
CY2024Q3	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	1371000	usd
	fbnc	Sba Loan Sale Gains SBALoanSaleGains	2052000	usd
	us-gaap	Noninterest Income NoninterestIncome	42948000	usd
	us-gaap	Salaries And Wages SalariesAndWages	85406000	usd
	us-gaap	Salaries And Wages SalariesAndWages	87391000	usd
CY2023Q3	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	6539000	usd
	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	19467000	usd
	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	19097000	usd
CY2024Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	36450000	usd
CY2023Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	35933000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	104873000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	106488000	usd
CY2024Q3	us-gaap	Occupancy Net OccupancyNet	4856000	usd
CY2023Q3	us-gaap	Occupancy Net OccupancyNet	5003000	usd
	us-gaap	Occupancy Net OccupancyNet	15294000	usd
	us-gaap	Occupancy Net OccupancyNet	15042000	usd
CY2024Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	usd
CY2023Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	usd
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	usd
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	13506000	usd
CY2024Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1613000	usd
CY2023Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1953000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5041000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6147000	usd
CY2024Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	16931000	usd
CY2023Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	19335000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	52120000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	56809000	usd
CY2024Q3	us-gaap	Noninterest Expense NoninterestExpense	59850000	usd
CY2023Q3	us-gaap	Noninterest Expense NoninterestExpense	62224000	usd
	us-gaap	Noninterest Expense NoninterestExpense	177328000	usd
	us-gaap	Noninterest Expense NoninterestExpense	197992000	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	22572000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	37655000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	91239000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	94266000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3892000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7762000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	18575000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	19809000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	18680000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	29893000	usd
	us-gaap	Net Income Loss NetIncomeLoss	72664000	usd
	us-gaap	Net Income Loss NetIncomeLoss	74457000	usd
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.45
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.73
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.76
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.45
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.73
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.76
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.81
CY2024Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	78550000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-81515000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	68021000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-77597000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	18184000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-18871000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	15747000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-18719000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-1161000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-269000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-25000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-44000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-75000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-132000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-6000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-10000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-17000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-31000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	60385000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-62610000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	53224000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-58777000	usd
CY2024Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	79065000	usd
CY2023Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-32717000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	125888000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	15680000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	1297642000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	29893000	usd
CY2023Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.22
CY2023Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	9035000	usd
CY2023Q3	fbnc	Change In Rabbi Trust Obligation ChangeInRabbiTrustObligation	0	usd
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	0	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	1559000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	1473000	usd
	fbnc	Fees Gains From Sale Of Presold Mortgage And Sba Loans FeesGainsFromSaleOfPresoldMortgageAndSBALoans	3340000	usd
	fbnc	Origination Of Pre Sold Mortgage Loans In Process Of Settlement OriginationOfPreSoldMortgageLoansInProcessOfSettlement	107878000	usd
	fbnc	Proceeds From Sales Of Presold Mortgage Loans In Process Of Settlement ProceedsFromSalesOfPresoldMortgageLoansInProcessOfSettlement	92162000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-10713000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	2391000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	793000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	93229000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	133341000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	2807000	usd
	us-gaap	Proceeds From Sale Of Equity Securities Fv Ni ProceedsFromSaleOfEquitySecuritiesFvNi	0	usd
	fbnc	Proceeds From Payments To Sale Of Federal Reserve Stock And Federal Home Loan Bank Stock ProceedsFromPaymentsToSaleOfFederalReserveStockAndFederalHomeLoanBankStock	61162000	usd
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	45372000	usd
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	136000	usd
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	7460000	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-22610000	usd
	us-gaap	Repayments Of Subordinated Debt RepaymentsOfSubordinatedDebt	0	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	25902000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	3769000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	186000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	12542000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	3271000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	273589000	usd
	us-gaap	Interest Paid Net InterestPaidNet	92383000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	21856000	usd
	fbnc	Unrealized Gain Loss On Securities Available For Sale Net Of Taxes UnrealizedGainLossOnSecuritiesAvailableForSaleNetOfTaxes	-58878000	usd
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Transition Report DocumentTransitionReport	false
CY2024Q3	us-gaap	Derivative Asset Statement Of Financial Position Extensible Enumeration DerivativeAssetStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2024#OtherAssets
CY2024Q3	us-gaap	Derivative Liability Statement Of Financial Position Extensible Enumeration DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2024#OtherLiabilities
CY2023Q4	us-gaap	Derivative Asset Statement Of Financial Position Extensible Enumeration DerivativeAssetStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2024#OtherAssets
CY2023Q4	us-gaap	Derivative Liability Statement Of Financial Position Extensible Enumeration DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2024#OtherLiabilities
CY2024Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	2238996000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	2590099000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	8013538000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	8150102000	usd
CY2023Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	5699000	usd
CY2024Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2024Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2024Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	60000000	shares
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	716420000	usd
CY2024Q3	us-gaap	Common Stock Held In Trust CommonStockHeldInTrust	1148000	usd
CY2023Q4	us-gaap	Common Stock Held In Trust CommonStockHeldInTrust	1385000	usd
CY2024Q3	fbnc	Rabbi Trust Obligation RabbiTrustObligation	1148000	usd
CY2023Q4	fbnc	Rabbi Trust Obligation RabbiTrustObligation	1385000	usd
CY2024Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-254806000	usd
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	19125000	usd
CY2024Q3	us-gaap	Interest Expense Operating InterestExpenseOperating	48366000	usd
CY2023Q3	us-gaap	Interest Expense Operating InterestExpenseOperating	39149000	usd
	us-gaap	Interest Expense Operating InterestExpenseOperating	143413000	usd
	us-gaap	Interest Expense Operating InterestExpenseOperating	98012000	usd
CY2023Q3	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	1207000	usd
	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	4068000	usd
	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	3926000	usd
CY2024Q3	fbnc	Sba Loan Sale Gains SBALoanSaleGains	1108000	usd
CY2023Q3	fbnc	Sba Loan Sale Gains SBALoanSaleGains	1101000	usd
	fbnc	Sba Loan Sale Gains SBALoanSaleGains	3339000	usd
CY2024Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1205000	usd
CY2023Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1104000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3548000	usd
CY2024Q3	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	0	usd
CY2023Q3	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	0	usd
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	0	usd
CY2024Q3	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	-670000	usd
CY2023Q3	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	1329000	usd
	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	2777000	usd
CY2024Q3	us-gaap	Noninterest Income NoninterestIncome	13579000	usd
CY2023Q3	us-gaap	Noninterest Income NoninterestIncome	15177000	usd
	us-gaap	Noninterest Income NoninterestIncome	41076000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.82
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40971520	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40744042	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40924822	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40691751	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41366743	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41199058	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41294137	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41149990	shares
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	18680000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	29893000	usd
	us-gaap	Net Income Loss NetIncomeLoss	72664000	usd
	us-gaap	Net Income Loss NetIncomeLoss	74457000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	66000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1727000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	1404342000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	18680000	usd
CY2024Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.22
CY2024Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	9093000	usd
CY2024Q3	fbnc	Change In Rabbi Trust Obligation ChangeInRabbiTrustObligation	0	usd
CY2024Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	2324000	usd
CY2024Q3	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	478000	usd
CY2024Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1365000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	60385000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	1477525000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	1031596000	usd
	us-gaap	Net Income Loss NetIncomeLoss	74457000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.66
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	27084000	usd
	fbnc	Change In Rabbi Trust Obligation ChangeInRabbiTrustObligation	0	usd
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	229489000	usd
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	3769000	usd
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	186000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	4419000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-58777000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	1257683000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	1372380000	usd
	us-gaap	Net Income Loss NetIncomeLoss	72664000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.66
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	27203000	usd
	fbnc	Change In Rabbi Trust Obligation ChangeInRabbiTrustObligation	0	usd
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	3429000	usd
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	604000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	3635000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	53224000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	1477525000	usd
	us-gaap	Net Income Loss NetIncomeLoss	72664000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	15941000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-6700000	usd
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	5814000	usd
	fbnc	Loan Discount Accretion LoanDiscountAccretion	8060000	usd
	fbnc	Other Purchase Accounting Accretion And Amortization Net OtherPurchaseAccountingAccretionAndAmortizationNet	-1253000	usd
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	214000	usd
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-1161000	usd
	fbnc	Other Operating Gains Losses OtherOperatingGainsLosses	504000	usd
	fbnc	Other Operating Gains Losses OtherOperatingGainsLosses	1402000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3548000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3216000	usd
	fbnc	Increase Decrease In Net Deferred Loan Costs IncreaseDecreaseInNetDeferredLoanCosts	-975000	usd
	fbnc	Increase Decrease In Net Deferred Loan Costs IncreaseDecreaseInNetDeferredLoanCosts	-1087000	usd
	us-gaap	Depreciation Depreciation	5884000	usd
	us-gaap	Depreciation Depreciation	5583000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	3458000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	3972000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5041000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6147000	usd
	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	1248000	usd
	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	952000	usd
	fbnc	Fees Gains From Sale Of Presold Mortgage And Sba Loans FeesGainsFromSaleOfPresoldMortgageAndSBALoans	4955000	usd
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-4461000	usd
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-1033000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	2527000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-133000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	3762000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	106052000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	204848000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	7567000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	138182000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	111863000	usd
	us-gaap	Proceeds From Sale Of Equity Securities Fv Ni ProceedsFromSaleOfEquitySecuritiesFvNi	4522000	usd
	fbnc	Proceeds From Payments To Sale Of Federal Reserve Stock And Federal Home Loan Bank Stock ProceedsFromPaymentsToSaleOfFederalReserveStockAndFederalHomeLoanBankStock	39553000	usd
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	52810000	usd
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	209000	usd
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	1858000	usd
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-125241000	usd
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	687000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2159000	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	491250000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	472649000	usd
	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	986000000	usd
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	1515036000	usd
	us-gaap	Repayments Of Subordinated Debt RepaymentsOfSubordinatedDebt	10000000	usd
	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	1000000	usd
CY2023Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	9039000	usd
	fbnc	Cancellation Of Operating Lease Right Of Use Assets And Operating Lease Liabilities Non Cash CancellationOfOperatingLeaseRightOfUseAssetsAndOperatingLeaseLiabilitiesNonCash	1497000	usd
	fbnc	Cancellation Of Operating Lease Right Of Use Assets And Operating Lease Liabilities Non Cash CancellationOfOperatingLeaseRightOfUseAssetsAndOperatingLeaseLiabilitiesNonCash	0	usd
	fbnc	Initial Recognition Of Operating Lease Right Of Use Assets InitialRecognitionOfOperatingLeaseRightOfUseAssets	0	usd
	fbnc	Initial Recognition Of Operating Lease Right Of Use Assets InitialRecognitionOfOperatingLeaseRightOfUseAssets	260000	usd
	fbnc	Revision Of Operating Lease Right Of Use Assets And Operating Lease Liabilities RevisionOfOperatingLeaseRightOfUseAssetsAndOperatingLeaseLiabilities	0	usd
	fbnc	Revision Of Operating Lease Right Of Use Assets And Operating Lease Liabilities RevisionOfOperatingLeaseRightOfUseAssetsAndOperatingLeaseLiabilities	562000	usd
	us-gaap	Basis Of Accounting BasisOfAccounting	Organization and Basis of Presentation <div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The consolidated financial statements include the accounts of First Bancorp (the “Company”) and its wholly owned subsidiary First Bank (the “Bank”). The Bank has three wholly owned subsidiaries that are fully consolidated, SBA Complete, Inc. (“SBA Complete”), Magnolia Financial, Inc. ("Magnolia Financial"), and First Troy SPE, LLC. All significant intercompany accounts and transactions have been eliminated. During the second quarter of 2024, SBA Complete became inactive with certain activities transitioning to the Bank. </span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The accompanying unaudited consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP") for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all information and notes necessary for complete financial statements in accordance with GAAP. In the opinion of the Company, the accompanying unaudited consolidated financial statements contain all adjustments necessary to present fairly the consolidated financial position of the Company as of September 30, 2024, the consolidated results of income, comprehensive income and shareholders' equity for the three and nine months ended September 30, 2024 and 2023, and the consolidated cash flows for the nine months ended September 30, 2024 and 2023. Any such adjustments were of a normal, recurring nature. These interim financial statements should be read in conjunction with the Company's audited consolidated financial statements and notes in the 2023 Annual Report for the year ended December 31, 2023. Operating results for interim period are not necessarily indicative of the results that may be expected for the full year. </span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">In certain instances, amounts reported in prior years’ consolidated financial statements have been reclassified to conform to the current presentation. Such reclassifications had no effect on previously reported shareholders’ equity or net income.</span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Refer to Note 1 of the 2023 Annual Report filed with the Securities and Exchange Commission (“SEC”) for a discussion of accounting policies and other relevant information with respect to the consolidated financial statements. </span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company has evaluated all subsequent events through the date the consolidated financial statements were issued.</span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Accounting Standards Adopted in 2024</span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Accounting Standards Update ("ASU")</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"> 2023-02</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">, “</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Investments—Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">” permits reporting entities to elect to account for their tax equity investments, regardless of the tax credit program from which the income tax credits are received, using the proportional amortization method if certain conditions are met. This update is effective for fiscal years beginning after December 15, 2023, including interim periods within those fiscal years. The adoption of ASU 2023-02 did not have a significant impact on the Company's consolidated financial statements.</span></div><div style="margin-top:10pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:107%;text-decoration:underline">Accounting Standards Pending Adoption</span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">ASU 2023-07, "Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures" </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">amended existing guidance to improve disclosures about a public entity’s reportable segments and provide more detailed information about a reportable segment’s expenses. ASU 2023-07 clarifies that an entity which has a single reportable segment is to provide all the disclosures required by Topic 280 and ASU 2023-07. The amendment is effective for fiscal years beginning after December 15, 2023 and interim periods within fiscal years beginning after December 15, 2024. The adoption of ASU 2023-07 is not expected to have a significant impact on the Company's consolidated financial statements.</span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures”</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> amends existing guidance to improve the transparency of income tax disclosures, including disclosure of specific categories in the rate reconciliation, providing additional information for certain reconciling items, and providing details on income taxes </span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">paid. The amendments are effective for annual periods beginning after December 15, 2024. The adoption of ASU 2023-09 is not expected to have a significant impact on the Company's consolidated financial statements.</span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Other accounting standards that have been issued or proposed by the Financial Accounting Standards Board ("FASB") or other standards-setting bodies are not expected to have a material impact on the Company’s consolidated financial statements.</span></div>
CY2024Q3	fbnc	Number Of Subsidiaries NumberOfSubsidiaries	3	subsidiary
CY2024Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	2238996000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1907458000	usd
CY2024Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	39000	usd
CY2024Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	331577000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	2590099000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2189379000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	30000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	400750000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	521801000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	448300000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	29000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	73530000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	533678000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	449623000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	39000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	84094000	usd
CY2023Q4	fbnc	Private Mortgage Backed Security Fair Value PrivateMortgageBackedSecurityFairValue	700000	usd
CY2024Q3	fbnc	Private Mortgage Backed Security Fair Value PrivateMortgageBackedSecurityFairValue	700000	usd
CY2024Q3	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionLessThan12Months	1218000	usd
CY2024Q3	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	49000	usd
CY2024Q3	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLonger	2345110000	usd
CY2024Q3	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	405058000	usd
CY2024Q3	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition	2346328000	usd
CY2024Q3	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionAccumulatedLoss	405107000	usd
CY2023Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionLessThan12Months	1117000	usd
CY2023Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	5000	usd
CY2023Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLonger	2628150000	usd
CY2023Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	484839000	usd
CY2023Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition	2629267000	usd
CY2023Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionAccumulatedLoss	484844000	usd
CY2024Q3	fbnc	Debt Securities Available For Sale And Held To Maturity Number Of Positions DebtSecuritiesAvailableForSaleAndHeldToMaturityNumberOfPositions	620	security
CY2024Q3	fbnc	Debt Securities Available For Sale And Held To Maturity Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleAndHeldToMaturityUnrealizedLossPositionNumberOfPositions	586	security
CY2023Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Number Of Positions DebtSecuritiesAvailableForSaleAndHeldToMaturityNumberOfPositions	657	security
CY2023Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleAndHeldToMaturityUnrealizedLossPositionNumberOfPositions	632	security
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	39996000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	35320000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year One Through Five DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive	5394000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	5289000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	48151000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	43336000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year5 Through10 DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear5Through10	183914000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	159345000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	0	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	0	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year10 DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10	322570000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	274102000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	2150849000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	1828802000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount	9923000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	9564000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	2238996000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1907458000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	521801000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	448300000	usd
CY2024Q3	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	924800000	usd
CY2023Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	971300000	usd
CY2024Q2	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	138200000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Gain Loss DebtSecuritiesAvailableForSaleGainLoss	-4700000	usd
CY2024Q2	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	4500000	usd
CY2024Q2	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	5200000	usd
CY2024Q2	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-975000	usd
CY2024Q3	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	41200000	usd
CY2023Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	54500000	usd
CY2024Q3	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	8500000	usd
CY2023Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	21700000	usd
CY2024Q3	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	32700000	usd
CY2023Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	32800000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Fee And Loan In Process FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess	8012741000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Fee And Loan In Process FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess	8150280000	usd
CY2024Q3	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	797000	usd
CY2023Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-178000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	8013538000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	8150102000	usd
CY2024Q3	us-gaap	Financing Receivable Unamortized Purchase Premium Discount FinancingReceivableUnamortizedPurchasePremiumDiscount	-17300000	usd
CY2023Q4	us-gaap	Financing Receivable Unamortized Purchase Premium Discount FinancingReceivableUnamortizedPurchasePremiumDiscount	-24000000.0	usd
CY2024Q3	fbnc	Number Of Loans To Debtors With Nonperforming Loans NumberOfLoansToDebtorsWithNonperformingLoans	2	loan
CY2023Q4	fbnc	Number Of Loans To Debtors With Nonperforming Loans NumberOfLoansToDebtorsWithNonperformingLoans	1	loan
CY2023Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	usd
CY2024Q3	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual No Allowance FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance	879000	usd
CY2024Q3	fbnc	Financing Receivable Excluding Accrued Interest Nonaccrual With Allowance FinancingReceivableExcludingAccruedInterestNonaccrualWithAllowance	33246000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual FinancingReceivableExcludingAccruedInterestNonaccrual	34125000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual No Allowance FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance	8559000	usd
CY2023Q4	fbnc	Financing Receivable Excluding Accrued Interest Nonaccrual With Allowance FinancingReceivableExcludingAccruedInterestNonaccrualWithAllowance	23649000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual FinancingReceivableExcludingAccruedInterestNonaccrual	32208000	usd
	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0	usd
	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0	usd
	us-gaap	Financing Receivable Accrued Interest Writeoff FinancingReceivableAccruedInterestWriteoff	725000	usd
	us-gaap	Financing Receivable Accrued Interest Writeoff FinancingReceivableAccruedInterestWriteoff	367000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Fee And Loan In Process FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess	8012741000	usd
CY2024Q3	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	797000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	8013538000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual FinancingReceivableExcludingAccruedInterestNonaccrual	32208000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Fee And Loan In Process FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess	8150280000	usd
CY2023Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-178000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	8150102000	usd
CY2024Q3	fbnc	Individually Evaluated Loans Nonaccrual Net Book Balance Evaluation Threshold Amount IndividuallyEvaluatedLoansNonaccrualNetBookBalanceEvaluationThresholdAmount	500000	usd
CY2024Q3	fbnc	Individually Evaluated Loans Collateral Dependent Nonaccrual And Accruing Net Book Balance Evaluation Threshold Amount IndividuallyEvaluatedLoansCollateralDependentNonaccrualAndAccruingNetBookBalanceEvaluationThresholdAmount	500000	usd
CY2024Q3	fbnc	Financing Receivable Recorded Investment Collateral Dependent Loans FinancingReceivableRecordedInvestmentCollateralDependentLoans	5929000	usd
CY2023Q4	fbnc	Financing Receivable Recorded Investment Collateral Dependent Loans FinancingReceivableRecordedInvestmentCollateralDependentLoans	10182000	usd
CY2024Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	110058000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	2688000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	565000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	14783000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	122718000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	109853000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	7460000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	2292000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	18033000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	122718000	usd
CY2023Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	109230000	usd
CY2023Q3	fbnc	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Increase From Acquisition FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossIncreaseFromAcquisition	0	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	3203000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	971000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	1200000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	108198000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	90967000	usd
	fbnc	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Increase From Acquisition FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossIncreaseFromAcquisition	5610000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	7575000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	2845000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	16351000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	108198000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	1167626000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	1342113000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	1752114000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	1489283000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	726039000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	721548000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	814018000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Fee And Loan In Process FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess	8012741000	usd
CY2024Q3	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	797000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	8013538000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff	132000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff	617000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff	824000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff	247000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff	134000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff	981000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Writeoff FinancingReceivableExcludingAccruedInterestRevolvingWriteoff	4525000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	7460000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	1886592000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	2026392000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	1690561000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	817077000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	382928000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	537330000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	809400000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Fee And Loan In Process FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess	8150280000	usd
CY2023Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-178000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	8150102000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff	205000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff	1115000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff	1070000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff	560000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff	821000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff	1764000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Writeoff FinancingReceivableExcludingAccruedInterestRevolvingWriteoff	4640000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	10175000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	239000	usd
CY2024Q3	us-gaap	Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent	0
	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	2189000	usd
	us-gaap	Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent	0.0003
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	6785000	usd
CY2023Q3	us-gaap	Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent	0.0008
	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	10723000	usd
	us-gaap	Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent	0.0013
CY2024Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	59590000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	35124000	usd
CY2024Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	24466000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	60690000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	31183000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	29507000	usd
CY2024Q3	us-gaap	Goodwill Goodwill	478750000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	478750000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6100000	usd
CY2023Q4	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2023Q3	fbnc	Sba Guaranteed Servicing Income SBAGuaranteedServicingIncome	800000	usd
	fbnc	Sba Guaranteed Servicing Income SBAGuaranteedServicingIncome	2300000	usd
	fbnc	Sba Guaranteed Servicing Income SBAGuaranteedServicingIncome	2700000	usd
CY2024Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	96138000	usd
CY2024Q3	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0669
CY2024Q3	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	4444000	usd
CY2024Q3	us-gaap	Long Term Debt LongTermDebt	91694000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	635175000	usd
CY2023Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0557
CY2023Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	5017000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	630158000	usd
CY2024Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P21Y1M6D
CY2024Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0332
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0319
CY2024Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	14100000	usd
CY2024Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	14900000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	17100000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	17800000	usd
CY2024Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	600000	usd
CY2023Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	800000	usd
	us-gaap	Operating Lease Expense OperatingLeaseExpense	1800000	usd
	us-gaap	Operating Lease Expense OperatingLeaseExpense	2300000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	550000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1800000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1517000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1236000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1145000	usd
CY2024Q3	fbnc	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	16120000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	22368000	usd
CY2024Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	7436000	usd
CY2024Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	14932000	usd
CY2024Q3	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	63000	usd
CY2023Q3	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	51000	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	189000	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	152000	usd
CY2024Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1400000	usd
CY2023Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1200000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3000000.0	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3400000	usd
CY2024Q3	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	304000	usd
CY2023Q3	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	278000	usd
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	675000	usd
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	798000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	18680000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	29893000	usd
CY2024Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	134000	usd
CY2023Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	247000	usd
CY2024Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	18546000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40971520	shares
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.45
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	29646000	usd
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40744042	shares
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.73
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	18680000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40971520	shares
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	29893000	usd
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40744042	shares
CY2024Q3	fbnc	Effectof Dilutive Securities Income Loss EffectofDilutiveSecuritiesIncomeLoss	0	usd
CY2024Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	395223	shares
CY2023Q3	fbnc	Effectof Dilutive Securities Income Loss EffectofDilutiveSecuritiesIncomeLoss	0	usd
CY2023Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	455016	shares
CY2024Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	18680000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41366743	shares
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.45
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	29893000	usd
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41199058	shares
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.73
	us-gaap	Net Income Loss NetIncomeLoss	72664000	usd
	us-gaap	Net Income Loss NetIncomeLoss	74457000	usd
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	471000	usd
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	539000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	72193000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40924822	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.76
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	73918000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40691751	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.82
	us-gaap	Net Income Loss NetIncomeLoss	72664000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40924822	shares
	us-gaap	Net Income Loss NetIncomeLoss	74457000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40691751	shares
	fbnc	Effectof Dilutive Securities Income Loss EffectofDilutiveSecuritiesIncomeLoss	0	usd
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	369315	shares
	fbnc	Effectof Dilutive Securities Income Loss EffectofDilutiveSecuritiesIncomeLoss	0	usd
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	458239	shares
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	72664000	usd
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41294137	shares
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.76
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	74457000	usd
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41149990	shares
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.81
CY2024Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-254806000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-308030000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	60366000	usd
CY2024Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-19000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	60385000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-62644000	usd
CY2023Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-34000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-62610000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	52274000	usd
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-950000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	53224000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-58878000	usd
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-101000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-58777000	usd
CY2024Q3	fbnc	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	4320000	usd
CY2023Q3	fbnc	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	4661000	usd
	fbnc	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	12327000	usd
	fbnc	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	13012000	usd
CY2024Q3	fbnc	Interchange Income Net InterchangeIncomeNet	2372000	usd
CY2023Q3	fbnc	Interchange Income Net InterchangeIncomeNet	2239000	usd
	fbnc	Interchange Income Net InterchangeIncomeNet	7045000	usd
	fbnc	Interchange Income Net InterchangeIncomeNet	7190000	usd
CY2024Q3	us-gaap	Other Income OtherIncome	1710000	usd
CY2023Q3	us-gaap	Other Income OtherIncome	1354000	usd
	us-gaap	Other Income OtherIncome	5208000	usd
	us-gaap	Other Income OtherIncome	4184000	usd
CY2024Q3	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	1371000	usd
CY2023Q3	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	1207000	usd
	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	4068000	usd
	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	3926000	usd
CY2024Q3	fbnc	Sba Consulting Fees SBAConsultingFees	0	usd
CY2023Q3	fbnc	Sba Consulting Fees SBAConsultingFees	478000	usd
	fbnc	Sba Consulting Fees SBAConsultingFees	312000	usd
	fbnc	Sba Consulting Fees SBAConsultingFees	1408000	usd
CY2024Q3	fbnc	Noninterest Income In Scope Of Revenue From Contracts With Customers NoninterestIncomeInScopeOfRevenueFromContractsWithCustomers	9773000	usd
CY2023Q3	fbnc	Noninterest Income In Scope Of Revenue From Contracts With Customers NoninterestIncomeInScopeOfRevenueFromContractsWithCustomers	9939000	usd
	fbnc	Noninterest Income In Scope Of Revenue From Contracts With Customers NoninterestIncomeInScopeOfRevenueFromContractsWithCustomers	28960000	usd
	fbnc	Noninterest Income In Scope Of Revenue From Contracts With Customers NoninterestIncomeInScopeOfRevenueFromContractsWithCustomers	29720000	usd
CY2024Q3	fbnc	Noninterest Income Out Of Scope Of Topic606 NoninterestIncomeOutOfScopeOfTopic606	3806000	usd
CY2023Q3	fbnc	Noninterest Income Out Of Scope Of Topic606 NoninterestIncomeOutOfScopeOfTopic606	5238000	usd
	fbnc	Noninterest Income Out Of Scope Of Topic606 NoninterestIncomeOutOfScopeOfTopic606	12116000	usd
	fbnc	Noninterest Income Out Of Scope Of Topic606 NoninterestIncomeOutOfScopeOfTopic606	13228000	usd
CY2024Q3	us-gaap	Noninterest Income NoninterestIncome	13579000	usd
CY2023Q3	us-gaap	Noninterest Income NoninterestIncome	15177000	usd
	us-gaap	Noninterest Income NoninterestIncome	41076000	usd
	us-gaap	Noninterest Income NoninterestIncome	42948000	usd
CY2024Q3	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false

Files In Submission

Name	View Source	Status
0000811589-24-000070-index-headers.html	Edgar Link	pending
0000811589-24-000070-index.html	Edgar Link	pending
0000811589-24-000070.txt	Edgar Link	pending
0000811589-24-000070-xbrl.zip	Edgar Link	pending
fbnc-20240930.htm	Edgar Link	pending
fbnc-20240930.xsd	Edgar Link	pending
fbnc2024-09exx311.htm	Edgar Link	pending
fbnc2024-09exx312.htm	Edgar Link	pending
fbnc2024-09exx321.htm	Edgar Link	pending
fbnc2024-09exx322.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
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R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
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R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
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R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
fbnc-20240930_def.xml	Edgar Link	unprocessable
fbnc-20240930_pre.xml	Edgar Link	unprocessable
fbnc-20240930_htm.xml	Edgar Link	completed
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
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R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
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R60.htm	Edgar Link	pending
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R62.htm	Edgar Link	pending
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R64.htm	Edgar Link	pending
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R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
fbnc-20240930_cal.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
fbnc-20240930_lab.xml	Edgar Link	unprocessable

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$FBNC
FIRST BANCORP /NC/ Stock $fbnc

2024 Q4 Form 10-Q Financial Statement

#000081158924000070 Filed on November 06, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FBNC FIRST BANCORP /NC/ Stock $fbnc

2024 Q4 Form 10-Q Financial Statement

#000081158924000070 Filed on November 06, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FBNC
FIRST BANCORP /NC/ Stock $fbnc