$FBNC
FIRST BANCORP /NC/ Stock $fbnc

$fbnc Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-K Financial Statement

#000162828020002559 Filed on February 28, 2020

Income Statement

Concept	2018 Q4	2017	2016 Q4
Revenue		$177.4M
YoY Change
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	$3.400M	$5.493M	$1.600M
YoY Change	6.25%	-5.29%	23.08%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$12.67M
YoY Change
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$29.89M	$67.74M	$12.58M
YoY Change	48.63%	60.9%	21.9%
Income Tax	$6.000M	$21.77M	$4.230M
% Of Pretax Income	20.07%	32.13%	33.62%
Net Earnings	$23.90M	$45.97M	$8.360M
YoY Change	68.55%	67.17%	22.94%
Net Earnings / Revenue		25.92%
Basic Earnings Per Share		$1.82
Diluted Earnings Per Share	$799.1K	$1.82	$400.2K
COMMON SHARES
Basic Shares Outstanding		25.21M shares
Diluted Shares Outstanding		25.29M shares

Balance Sheet

Concept	2018 Q4	2017	2016 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$462.9M		$306.0M
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	$119.0M	$116.0M	$75.00M
YoY Change	2.59%	54.67%	0.59%
Goodwill	$234.4M
YoY Change
Intangibles	$21.11M
YoY Change
Long-Term Investments		$5.000M
YoY Change		66.67%
Other Assets		-$1.000M
YoY Change		-125.0%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$5.864B	$5.547B	$3.615B
YoY Change	5.72%	53.44%	7.52%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.000M	$1.000M	$1.000M
YoY Change	100.0%	0.0%	0.0%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$253.0M
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$2.000M	$1.000M	$1.000M
YoY Change	100.0%	0.0%	0.0%
LONG-TERM LIABILITIES
Long-Term Debt	$407.0M	$408.0M	$271.0M
YoY Change	-0.25%	50.55%	45.7%
Other Long-Term Liabilities	$32.00M	$38.00M	$27.00M
YoY Change	-15.79%	40.74%	22.73%
Total Long-Term Liabilities	$439.0M	$446.0M	$298.0M
YoY Change	-1.57%	49.66%	43.27%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.000M	$1.000M	$1.000M
Total Long-Term Liabilities	$439.0M	$446.0M	$298.0M
Total Liabilities	$5.100B	$4.854B	$3.247B
YoY Change	5.07%	49.49%	7.52%
SHAREHOLDERS EQUITY
Retained Earnings	$341.7M
YoY Change
Common Stock	$434.5M
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$764.2M	$693.0M	$368.1M
YoY Change
Total Liabilities & Shareholders Equity	$5.864B	$5.547B	$3.615B
YoY Change	5.72%	53.44%	7.52%

Cashflow Statement

Concept	2018 Q4	2017	2016 Q4
OPERATING ACTIVITIES
Net Income	$23.90M	$45.97M	$8.360M
YoY Change	68.55%	67.17%	22.94%
Depreciation, Depletion And Amortization	$3.400M	$5.493M	$1.600M
YoY Change	6.25%	-5.29%	23.08%
Cash From Operating Activities	$22.70M	$26.84M	$9.600M
YoY Change	-38.15%	-35.02%	65.52%
INVESTING ACTIVITIES
Capital Expenditures	-$4.000M	$4.659M	-$1.800M
YoY Change	135.29%	-153.55%	5.88%
Acquisitions
YoY Change
Other Investing Activities	-$194.4M	-$123.9M	-$52.80M
YoY Change	907.25%	-46.46%	47.08%
Cash From Investing Activities	-$198.5M	-$128.5M	-$54.60M
YoY Change	854.33%	-46.47%	45.21%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$0.00
YoY Change		-100.0%
Debt Paid & Issued, Net		$105.7M
YoY Change
Cash From Financing Activities	127.9M	$285.2M	69.70M
YoY Change	97.38%	20.03%	-13.2%
NET CHANGE
Cash From Operating Activities	22.70M	$26.84M	9.600M
Cash From Investing Activities	-198.5M	-$128.5M	-54.60M
Cash From Financing Activities	127.9M	$285.2M	69.70M
Net Change In Cash	-47.90M	$183.5M	24.70M
YoY Change	-159.36%	372.93%	-49.07%
FREE CASH FLOW
Cash From Operating Activities	$22.70M	$26.84M	$9.600M
Capital Expenditures	-$4.000M	$4.659M	-$1.800M
Free Cash Flow	$26.70M	$22.18M	$11.40M
YoY Change	-30.47%	-55.64%	52.0%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2018	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-2379000	USD
CY2019	dei	Amendment Flag AmendmentFlag	false
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0000811589
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2018Q4	us-gaap	Bank Overdrafts BankOverdrafts	700000	USD
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.40
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	40000000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	40000000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	29724874	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	29601264	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	29724874	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	29601264	shares
CY2017	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2018	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2018Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2018Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2018Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P0Y
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P0Y
CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-12-31
CY2019	dei	Entity File Number EntityFileNumber	0-15572
CY2019	dei	Entity Registrant Name EntityRegistrantName	FIRST BANCORP
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	NC
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	56-1421916
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	300 SW Broad St.,
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	Southern Pines,
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	NC
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	28387
CY2019	dei	City Area Code CityAreaCode	(910)
CY2019	dei	Local Phone Number LocalPhoneNumber	246-2500
CY2019	dei	Security12b Title Security12bTitle	Common Stock, No Par Value
CY2019	dei	Trading Symbol TradingSymbol	FBNC
CY2019	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Entity Shell Company EntityShellCompany	false
CY2019Q2	dei	Entity Public Float EntityPublicFloat	1057000000	USD
CY2020Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	29211612	shares
CY2019Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	64519000	USD
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CY2019Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	166783000	USD
CY2018Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	406848000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	231302000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	462898000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	821945000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	501351000	USD
CY2019Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	67932000	USD
CY2018Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	101237000	USD
CY2019Q4	fbnc	Pre Sold Mortgages In Process Of Settlement PreSoldMortgagesInProcessOfSettlement	19712000	USD
CY2018Q4	fbnc	Pre Sold Mortgages In Process Of Settlement PreSoldMortgagesInProcessOfSettlement	4279000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4453466000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4249064000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	21398000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	21039000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	4432068000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	4228025000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	114859000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	119000000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	19669000	USD
CY2019Q4	us-gaap	Interest Receivable InterestReceivable	16648000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	21112000	USD
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CY2018Q4	us-gaap	Interest Receivable InterestReceivable	16004000	USD
CY2018Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	7440000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	234368000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	234368000	USD
CY2019Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	3873000	USD
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	912784000	USD
CY2019Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	104441000	USD
CY2018Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	101878000	USD
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CY2019Q4	us-gaap	Assets Assets	6143639000	USD
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CY2019Q4	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	1515977000	USD
CY2018Q4	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	1320131000	USD
CY2018Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	916374000	USD
CY2019Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	1173107000	USD
CY2018Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	1035523000	USD
CY2019Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	424415000	USD
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CY2019Q4	us-gaap	Time Deposits Less Than100000 TimeDepositsLessThan100000	255125000	USD
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CY2019Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	2154000	USD
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CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	19855000	USD
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CY2019Q4	us-gaap	Liabilities Liabilities	5291238000	USD
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CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
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CY2019Q4	us-gaap	Common Stock Held In Trust CommonStockHeldInTrust	2587000	USD
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CY2017	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	163988000	USD
CY2019	fbnc	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	12970000	USD
CY2018	fbnc	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	12690000	USD
CY2017	fbnc	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	11862000	USD
CY2019	fbnc	Other Service Charges Commissions And Fees OtherServiceChargesCommissionsAndFees	19481000	USD
CY2018	fbnc	Other Service Charges Commissions And Fees OtherServiceChargesCommissionsAndFees	16488000	USD
CY2017	fbnc	Other Service Charges Commissions And Fees OtherServiceChargesCommissionsAndFees	14403000	USD
CY2019	fbnc	Fees From Pre Sold Mortgage Loans FeesFromPreSoldMortgageLoans	3944000	USD
CY2018	fbnc	Fees From Pre Sold Mortgage Loans FeesFromPreSoldMortgageLoans	2735000	USD
CY2017	fbnc	Fees From Pre Sold Mortgage Loans FeesFromPreSoldMortgageLoans	5695000	USD
CY2019	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	8495000	USD
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CY2017	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	5300000	USD
CY2019	fbnc	Sba Consulting Fees SBAConsultingFees	3872000	USD
CY2018	fbnc	Sba Consulting Fees SBAConsultingFees	4675000	USD
CY2017	fbnc	Sba Consulting Fees SBAConsultingFees	4024000	USD
CY2019	fbnc	Sba Loan Sale Gains SBALoanSaleGains	8275000	USD
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CY2017	fbnc	Sba Loan Sale Gains SBALoanSaleGains	5479000	USD
CY2019	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2564000	USD
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CY2019	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	97000	USD
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CY2019	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	-169000	USD
CY2018	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	723000	USD
CY2017	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	383000	USD
CY2019	us-gaap	Noninterest Income NoninterestIncome	59529000	USD
CY2018	us-gaap	Noninterest Income NoninterestIncome	58942000	USD
CY2017	us-gaap	Noninterest Income NoninterestIncome	49232000	USD
CY2019	us-gaap	Salaries And Wages SalariesAndWages	79129000	USD
CY2018	us-gaap	Salaries And Wages SalariesAndWages	75077000	USD
CY2017	us-gaap	Salaries And Wages SalariesAndWages	66786000	USD
CY2019	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	16844000	USD
CY2018	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	16888000	USD
CY2017	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	15313000	USD
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	95973000	USD
CY2018	us-gaap	Labor And Related Expense LaborAndRelatedExpense	91965000	USD
CY2017	us-gaap	Labor And Related Expense LaborAndRelatedExpense	82099000	USD
CY2019	us-gaap	Occupancy Net OccupancyNet	11122000	USD
CY2018	us-gaap	Occupancy Net OccupancyNet	10793000	USD
CY2017	us-gaap	Occupancy Net OccupancyNet	9661000	USD
CY2019	us-gaap	Equipment Expense EquipmentExpense	5023000	USD
CY2018	us-gaap	Equipment Expense EquipmentExpense	5627000	USD
CY2017	us-gaap	Equipment Expense EquipmentExpense	4480000	USD
CY2019	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	192000	USD
CY2018	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	2358000	USD
CY2017	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	8073000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4858000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5917000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4033000	USD
CY2019	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-939000	USD
CY2018	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-565000	USD
CY2017	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-531000	USD
CY2019	us-gaap	Other Noninterest Expense OtherNoninterestExpense	39087000	USD
CY2018	us-gaap	Other Noninterest Expense OtherNoninterestExpense	39258000	USD
CY2017	us-gaap	Other Noninterest Expense OtherNoninterestExpense	36604000	USD
CY2019	us-gaap	Noninterest Expense NoninterestExpense	157194000	USD
CY2018	us-gaap	Noninterest Expense NoninterestExpense	156483000	USD
CY2017	us-gaap	Noninterest Expense NoninterestExpense	145481000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	116276000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	113478000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	67739000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24230000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24189000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21767000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	92046000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	89289000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	45972000	USD
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.10
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.02
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.82
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.10
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.01
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.82
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.54
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.40
CY2017	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.32
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	29547851	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	29566259	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25210606	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	29720499	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	29707431	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	25291382	shares
CY2019	us-gaap	Net Income Loss NetIncomeLoss	92046000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	89289000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	45972000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	22230000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-10179000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	639000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	5157000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-2379000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	234000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	97000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-235000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	22000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-87000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-686000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-41000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	1601000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-158000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-10000	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	593000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-814000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-21000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-211000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-200000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-5000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-75000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	17084000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-7815000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1697000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	109130000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	81474000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	47669000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	368101000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	45972000	USD
CY2017	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	8298000	USD
CY2017	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	284192000	USD
CY2017	fbnc	Change In Rabbi Trust Obligation ChangeInRabbiTrustObligation	0	USD
CY2017	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	287000	USD
CY2017	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	231000	USD
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1259000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1697000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	692979000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	89289000	USD
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	11882000	USD
CY2018	fbnc	Change In Rabbi Trust Obligation ChangeInRabbiTrustObligation	0	USD
CY2018	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	324000	USD
CY2018	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	406000	USD
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1741000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-7815000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	764230000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	92046000	USD
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	16020000	USD
CY2019	fbnc	Change In Rabbi Trust Obligation ChangeInRabbiTrustObligation	0	USD
CY2019	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	3070000	USD
CY2019	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	10000000	USD
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	129000	USD
CY2019	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	702000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	2564000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	17084000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	852401000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	92046000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	89289000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	45972000	USD
CY2019	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2263000	USD
CY2018	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-3589000	USD
CY2017	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	723000	USD
CY2019	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2653000	USD
CY2018	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2749000	USD
CY2017	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2908000	USD
CY2019	fbnc	Loan Discount Accretion LoanDiscountAccretion	5974000	USD
CY2018	fbnc	Loan Discount Accretion LoanDiscountAccretion	7812000	USD
CY2017	fbnc	Loan Discount Accretion LoanDiscountAccretion	7076000	USD
CY2019	fbnc	Other Purchase Accounting Accretion And Amortization Net OtherPurchaseAccountingAccretionAndAmortizationNet	9000	USD
CY2018	fbnc	Other Purchase Accounting Accretion And Amortization Net OtherPurchaseAccountingAccretionAndAmortizationNet	190000	USD
CY2017	fbnc	Other Purchase Accounting Accretion And Amortization Net OtherPurchaseAccountingAccretionAndAmortizationNet	236000	USD
CY2019	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-939000	USD
CY2018	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-565000	USD
CY2017	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-531000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	97000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0	USD
CY2017	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-235000	USD
CY2019	fbnc	Other Operating Gains Losses OtherOperatingGainsLosses	-169000	USD
CY2018	fbnc	Other Operating Gains Losses OtherOperatingGainsLosses	723000	USD
CY2017	fbnc	Other Operating Gains Losses OtherOperatingGainsLosses	383000	USD
CY2019	fbnc	Increase Decrease In Net Deferred Loan Costs IncreaseDecreaseInNetDeferredLoanCosts	642000	USD
CY2018	fbnc	Increase Decrease In Net Deferred Loan Costs IncreaseDecreaseInNetDeferredLoanCosts	2285000	USD
CY2017	fbnc	Increase Decrease In Net Deferred Loan Costs IncreaseDecreaseInNetDeferredLoanCosts	-975000	USD
CY2019	us-gaap	Depreciation Depreciation	5836000	USD
CY2018	us-gaap	Depreciation Depreciation	6077000	USD
CY2017	us-gaap	Depreciation Depreciation	5493000	USD
CY2019	fbnc	Amortization Of Operating Lease Right Of Use Assets AmortizationOfOperatingLeaseRightOfUseAssets	1857000	USD
CY2018	fbnc	Amortization Of Operating Lease Right Of Use Assets AmortizationOfOperatingLeaseRightOfUseAssets	0	USD
CY2017	fbnc	Amortization Of Operating Lease Right Of Use Assets AmortizationOfOperatingLeaseRightOfUseAssets	0	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	1669000	USD
CY2018	us-gaap	Operating Lease Payments OperatingLeasePayments	0	USD
CY2017	us-gaap	Operating Lease Payments OperatingLeasePayments	0	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	2270000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	1569000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	1095000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4858000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5917000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4033000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	1340000	USD
CY2018	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	846000	USD
CY2017	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	207000	USD
CY2019	fbnc	Fees Gains From Sale Of Presold Mortgage And Sba Loans FeesGainsFromSaleOfPresoldMortgageAndSBALoans	12219000	USD
CY2018	fbnc	Fees Gains From Sale Of Presold Mortgage And Sba Loans FeesGainsFromSaleOfPresoldMortgageAndSBALoans	13101000	USD
CY2017	fbnc	Fees Gains From Sale Of Presold Mortgage And Sba Loans FeesGainsFromSaleOfPresoldMortgageAndSBALoans	11174000	USD
CY2019	fbnc	Origination Of Pre Sold Mortgage Loans In Process Of Settlement OriginationOfPreSoldMortgageLoansInProcessOfSettlement	173705000	USD
CY2018	fbnc	Origination Of Pre Sold Mortgage Loans In Process Of Settlement OriginationOfPreSoldMortgageLoansInProcessOfSettlement	118791000	USD
CY2017	fbnc	Origination Of Pre Sold Mortgage Loans In Process Of Settlement OriginationOfPreSoldMortgageLoansInProcessOfSettlement	228871000	USD
CY2019	fbnc	Proceeds From Sales Of Presold Mortgage Loans In Process Of Settlement ProceedsFromSalesOfPresoldMortgageLoansInProcessOfSettlement	162476000	USD
CY2018	fbnc	Proceeds From Sales Of Presold Mortgage Loans In Process Of Settlement ProceedsFromSalesOfPresoldMortgageLoansInProcessOfSettlement	129519000	USD
CY2017	fbnc	Proceeds From Sales Of Presold Mortgage Loans In Process Of Settlement ProceedsFromSalesOfPresoldMortgageLoansInProcessOfSettlement	235493000	USD
CY2019	fbnc	Origination Of Sba Loans For Sale OriginationOfSBALoansForSale	150677000	USD
CY2018	fbnc	Origination Of Sba Loans For Sale OriginationOfSBALoansForSale	196784000	USD
CY2017	fbnc	Origination Of Sba Loans For Sale OriginationOfSBALoansForSale	95436000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-6629000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-10729000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	51238000	USD
CY2019	fbnc	Proceeds From Sales Of Sba Loans ProceedsFromSalesOfSBALoans	124527000	USD
CY2018	fbnc	Proceeds From Sales Of Sba Loans ProceedsFromSalesOfSBALoans	157427000	USD
CY2017	fbnc	Proceeds From Sales Of Sba Loans ProceedsFromSalesOfSBALoans	77034000	USD
CY2019	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	644000	USD
CY2018	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	1910000	USD
CY2017	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	1072000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	5735000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-3525000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-6724000	USD
CY2019	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	178000	USD
CY2018	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	741000	USD
CY2017	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	392000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	1197000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	46410000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	26838000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	498891000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	230794000	USD
CY2017	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	191260000	USD
CY2019	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	USD
CY2018	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	USD
CY2017	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	291000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	158920000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	60871000	USD
CY2017	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	37974000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	32461000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	16183000	USD
CY2017	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	22344000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	39797000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	140621000	USD
CY2019	fbnc	Proceeds From Sale Of Federal Reserve Stock And Federal Home Loan Bank Stock ProceedsFromSaleOfFederalReserveStockAndFederalHomeLoanBankStock	4088000	USD
CY2018	fbnc	Payments To Acquire Federal Reserve Stock And Federal Home Loan Bank Stock PaymentsToAcquireFederalReserveStockAndFederalHomeLoanBankStock	6129000	USD
CY2017	fbnc	Payments To Acquire Federal Reserve Stock And Federal Home Loan Bank Stock PaymentsToAcquireFederalReserveStockAndFederalHomeLoanBankStock	9947000	USD
CY2019	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	165203000	USD
CY2018	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	152972000	USD
CY2017	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	204631000	USD
CY2019	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	5877000	USD
CY2017	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	8647000	USD
CY2018	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	7532000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	462898000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	489490000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-26592000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	183497000	USD
CY2017	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	93000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3534000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	10723000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4659000	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1799000	USD
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	2753000	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	151000	USD
CY2019	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2018	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2017	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	72519000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-424686000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-313279000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-128532000	USD
CY2019	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	272206000	USD
CY2018	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	252756000	USD
CY2017	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	195468000	USD
CY2019	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-55000000	USD
CY2018	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	50000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	50000000	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	110000000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	51119000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	101116000	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	105737000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	13662000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	11281000	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	7596000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	10000000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	129000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	324000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	287000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	702000	USD
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	406000	USD
CY2017	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	231000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	141852000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	240277000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	285191000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-231596000	USD
CY2019Q4	us-gaap	Other Investments OtherInvestments	8000000.0	USD
CY2019	fbnc	Initial Recognition Of Operating Lease Liabilities InitialRecognitionOfOperatingLeaseLiabilities	19406000	USD
CY2019	fbnc	Equity Issued Related To Acquisition Contingent Consideration EquityIssuedRelatedToAcquisitionContingentConsideration	3070000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	305993000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	231302000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	462898000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	489490000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	33725000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	23036000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	12239000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	24336000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	21162000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	19537000	USD
CY2019	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	3249000	USD
CY2018	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	4148000	USD
CY2017	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	5452000	USD
CY2019	fbnc	Unrealized Gain Loss On Securities Available For Sale Net Of Taxes UnrealizedGainLossOnSecuritiesAvailableForSaleNetOfTaxes	16998000	USD
CY2018	fbnc	Unrealized Gain Loss On Securities Available For Sale Net Of Taxes UnrealizedGainLossOnSecuritiesAvailableForSaleNetOfTaxes	-7800000	USD
CY2017	fbnc	Unrealized Gain Loss On Securities Available For Sale Net Of Taxes UnrealizedGainLossOnSecuritiesAvailableForSaleNetOfTaxes	553000	USD
CY2019	fbnc	Initial Recognition Of Operating Lease Right Of Use Assets InitialRecognitionOfOperatingLeaseRightOfUseAssets	19406000	USD
CY2018	fbnc	Equity Issued Related To Acquisition Contingent Consideration EquityIssuedRelatedToAcquisitionContingentConsideration	0	USD
CY2017	fbnc	Equity Issued Related To Acquisition Contingent Consideration EquityIssuedRelatedToAcquisitionContingentConsideration	0	USD
CY2019	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<span style="font-family:Arial;font-size:10pt;font-weight:bold;">Reclassifications</span><span style="font-family:Arial;font-size:10pt;"> </span><span style="font-family:inherit;font-size:10pt;">-</span><span style="font-family:Arial;font-size:10pt;"> Certain amounts for prior years have been reclassified to conform to the </span><span style="font-family:Arial;font-size:10pt;">2019</span> presentation. The reclassifications had no effect on net income or shareholders’ equity as previously presented, nor did they materially impact trends in financial information.
CY2018Q4	us-gaap	Other Investments OtherInvestments	7500000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	21000000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	812202000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	821945000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	10505000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	762000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	513741000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	501351000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	178000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	12568000	USD
CY2019Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	67932000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	68333000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	410000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	9000	USD
CY2018Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	101237000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	99906000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	525000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	1856000	USD
CY2019Q4	fbnc	Private Mortgage Backed Security Fair Value PrivateMortgageBackedSecurityFairValue	1100000	USD
CY2018Q4	fbnc	Private Mortgage Backed Security Fair Value PrivateMortgageBackedSecurityFairValue	1000000.0	USD
CY2019Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionLessThan12Months	82266000	USD
CY2019Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	301000	USD
CY2019Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLonger	52700000	USD
CY2019Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	470000	USD
CY2019Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition	134966000	USD
CY2019Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionAccumulatedLoss	771000	USD
CY2018Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionLessThan12Months	108745000	USD
CY2018Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	863000	USD
CY2018Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLonger	320445000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	97000	USD
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	140621000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	39797000	USD
CY2018Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	13561000	USD
CY2018Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition	429190000	USD
CY2018Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionAccumulatedLoss	14424000	USD
CY2019	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2019Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleAndHeldToMaturityUnrealizedLossPositionNumberOfPositions	54	security
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	0	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	0	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	1165000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	1167000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	43711000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	44616000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	17909000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	18123000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	5000000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	4992000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	6923000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	6984000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	5000000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	5052000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	512000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue	517000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	758491000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	767285000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount	41423000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	41542000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	812202000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	821945000	USD
CY2019Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	67932000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	68333000	USD
CY2019Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	260826000	USD
CY2018Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	234382000	USD
CY2018Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	22575000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	33380000	USD
CY2018Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	37468000	USD
CY2017	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-235000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	15789000	USD
CY2018Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	20036000	USD
CY2019Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	17591000	USD
CY2018Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	17432000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4451525000	USD
CY2019	us-gaap	Concentration Risk Percentage1 ConcentrationRiskPercentage1	1
CY2018Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4247765000	USD
CY2018	us-gaap	Concentration Risk Percentage1 ConcentrationRiskPercentage1	1
CY2019Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	1941000	USD
CY2018Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	1299000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4453466000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4249064000	USD
CY2019Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	4000000000.0	USD
CY2018Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	3800000000	USD
CY2019	fbnc	Payments That Exceeded The Initial Carrying Amount On Purchased Impaired Loans PaymentsThatExceededTheInitialCarryingAmountOnPurchasedImpairedLoans	406000	USD
CY2019	fbnc	Discount Accretion Loan Interest Income Purchased Impaired Loans Paid Off DiscountAccretionLoanInterestIncomePurchasedImpairedLoansPaidOff	348000	USD
CY2019	fbnc	Additional Loan Interest Income Purchased Impaired Loans Paid Off AdditionalLoanInterestIncomePurchasedImpairedLoansPaidOff	58000	USD
CY2018	fbnc	Payments That Exceeded The Initial Carrying Amount On Purchased Impaired Loans PaymentsThatExceededTheInitialCarryingAmountOnPurchasedImpairedLoans	772000	USD
CY2018	fbnc	Discount Accretion Loan Interest Income Purchased Impaired Loans Paid Off DiscountAccretionLoanInterestIncomePurchasedImpairedLoansPaidOff	493000	USD
CY2018	fbnc	Additional Loan Interest Income Purchased Impaired Loans Paid Off AdditionalLoanInterestIncomePurchasedImpairedLoansPaidOff	279000	USD
CY2017	fbnc	Payments That Exceeded The Initial Carrying Amount On Purchased Impaired Loans PaymentsThatExceededTheInitialCarryingAmountOnPurchasedImpairedLoans	1064000	USD
CY2017	fbnc	Discount Accretion Loan Interest Income Purchased Impaired Loans Paid Off DiscountAccretionLoanInterestIncomePurchasedImpairedLoansPaidOff	962000	USD
CY2017	fbnc	Additional Loan Interest Income Purchased Impaired Loans Paid Off AdditionalLoanInterestIncomePurchasedImpairedLoansPaidOff	102000	USD
CY2019Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount Net CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet	12664000	USD
CY2018Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount Net CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet	17393000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	24866000	USD
CY2018Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	22575000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	24866000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	4402978000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4451525000	USD
CY2019Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	1941000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4453466000	USD
CY2019Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	25202000	USD
CY2019Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	4413659000	USD
CY2019Q4	us-gaap	Notes Receivable Net NotesReceivableNet	12664000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	23298000	USD
CY2018Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	4203565000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4247765000	USD
CY2018Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	1299000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4249064000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	21039000	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	6303000	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	4399000	USD
CY2019	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2263000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	21398000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	3574000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	17641000	USD
CY2019Q4	fbnc	Financing Receivable Allowancefor Credit Losses Purchased Credit Impaired FinancingReceivableAllowanceforCreditLossesPurchasedCreditImpaired	183000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4451525000	USD
CY2019Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	1941000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4453466000	USD
CY2018	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	6971000	USD
CY2018	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	8301000	USD
CY2018	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-3589000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	21039000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	2269000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	18642000	USD
CY2018Q4	fbnc	Financing Receivable Allowancefor Credit Losses Purchased Credit Impaired FinancingReceivableAllowanceforCreditLossesPurchasedCreditImpaired	128000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4247765000	USD
CY2018Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	1299000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4249064000	USD
CY2018Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	24253000	USD
CY2018Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	4206119000	USD
CY2018Q4	us-gaap	Notes Receivable Net NotesReceivableNet	17393000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	23781000	USD
CY2017	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	7811000	USD
CY2017	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	6605000	USD
CY2017	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	723000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	23298000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	1564000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	21461000	USD
CY2017Q4	fbnc	Financing Receivable Allowancefor Credit Losses Purchased Credit Impaired FinancingReceivableAllowanceforCreditLossesPurchasedCreditImpaired	273000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4043355000	USD
CY2017Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	-986000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4042369000	USD
CY2017Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	27215000	USD
CY2017Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	3992975000	USD
CY2017Q4	us-gaap	Notes Receivable Net NotesReceivableNet	23165000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	7513000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	8506000	USD
CY2019	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	8242000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	17689000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	18953000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	3574000	USD
CY2019	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	13664000	USD
CY2019	fbnc	Interest Income On Restructured Loans InterestIncomeOnRestructuredLoans	1300000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	8918000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	10329000	USD
CY2018	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	11888000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	15335000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	15484000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	2269000	USD
CY2018	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	15867000	USD
CY2018	fbnc	Interest Income On Restructured Loans InterestIncomeOnRestructuredLoans	1500000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	11565000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	13802000	USD
CY2017	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	13461000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	15650000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	15893000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	1564000	USD
CY2017	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	16229000	USD
CY2017	fbnc	Interest Income On Restructured Loans InterestIncomeOnRestructuredLoans	1300000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4451525000	USD
CY2019Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	1941000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4453466000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4247765000	USD
CY2018Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	1299000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4249064000	USD
CY2019	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	6	contract
CY2019	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	1056000	USD
CY2019	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	1060000	USD
CY2018	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	6	contract
CY2018	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	655000	USD
CY2018	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	684000	USD
CY2017	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	10	contract
CY2017	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	4452000	USD
CY2017	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	4414000	USD
CY2019	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	1
CY2019	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	93000	USD
CY2018	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	4
CY2018	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	1393000	USD
CY2017	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	2
CY2017	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	880000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	167207000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	170960000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	52348000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	51960000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	114859000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	119000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	43532000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	26315000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	41228000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	20116000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	234368000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	234368000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	2304000	USD
CY2018	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	3278000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	1340000	USD
CY2018	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	846000	USD
CY2017	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	207000	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	309100000	USD
CY2018Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	248600000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4858000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5917000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4033000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	3841000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	2927000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	2022000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	1041000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	404000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	1599000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	11834000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24230000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24189000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21767000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	5135000	USD
CY2018Q4	fbnc	Deferred Tax Assets Foreclosed Real Estate DeferredTaxAssetsForeclosedRealEstate	715000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	321000	USD
CY2019	us-gaap	Income Tax Effects Allocated Directly To Equity Other IncomeTaxEffectsAllocatedDirectlyToEquityOther	42000	USD
CY2018	us-gaap	Income Tax Effects Allocated Directly To Equity Other IncomeTaxEffectsAllocatedDirectlyToEquityOther	-5000	USD
CY2017	us-gaap	Income Tax Effects Allocated Directly To Equity Other IncomeTaxEffectsAllocatedDirectlyToEquityOther	668000	USD
CY2019	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	29407000	USD
CY2018	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	21805000	USD
CY2017	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	22756000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	19920000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	19188000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	11286000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2499000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3187000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1996000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1572000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1658000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	7742000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	239000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	156000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	743000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24230000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24189000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21767000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	4916000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	4917000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	241000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	92000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	293000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	367000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	376000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	631000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	2833000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	3036000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	710000	USD
CY2019Q4	fbnc	Deferred Tax Assets Basis Differences In Assets Acquired In Fdic Transactions DeferredTaxAssetsBasisDifferencesInAssetsAcquiredInFDICTransactions	416000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	752000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	254000	USD
CY2019Q4	fbnc	Deferred Tax Liabilities Excess Tax Over Book Pension Cost DeferredTaxLiabilitiesExcessTaxOverBookPensionCost	0	USD
CY2019Q4	fbnc	Deferred Tax Assets Foreclosed Real Estate DeferredTaxAssetsForeclosedRealEstate	87000	USD
CY2018Q4	fbnc	Deferred Tax Liabilities Excess Tax Over Book Pension Cost DeferredTaxLiabilitiesExcessTaxOverBookPensionCost	0	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4995000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4278000	USD
CY2019Q4	fbnc	Deferred Tax Liabilities Loan Fees DeferredTaxLiabilitiesLoanFees	2428000	USD
CY2018Q4	fbnc	Deferred Tax Liabilities Loan Fees DeferredTaxLiabilitiesLoanFees	2484000	USD
CY2018Q4	fbnc	Deferred Tax Assets Basis Differences In Assets Acquired In Fdic Transactions DeferredTaxAssetsBasisDifferencesInAssetsAcquiredInFDICTransactions	1121000	USD
CY2019Q4	fbnc	Deferred Tax Assets Nonqualified Stock Options DeferredTaxAssetsNonqualifiedStockOptions	370000	USD
CY2018Q4	fbnc	Deferred Tax Assets Nonqualified Stock Options DeferredTaxAssetsNonqualifiedStockOptions	240000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	208000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	0	USD
CY2018Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	2895000	USD
CY2019Q4	fbnc	Deferred Tax Assets Sba Servicing Asset DeferredTaxAssetsSBAServicingAsset	400000	USD
CY2018Q4	fbnc	Deferred Tax Assets Sba Servicing Asset DeferredTaxAssetsSBAServicingAsset	310000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	3000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	42000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	10899000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	15326000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	40000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	36000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	10859000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	15290000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	7844000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	7921000	USD
CY2019Q4	fbnc	Deferred Tax Liabilities Fhlb Stock Dividends DeferredTaxLiabilitiesFHLBStockDividends	472000	USD
CY2018Q4	fbnc	Deferred Tax Liabilities Fhlb Stock Dividends DeferredTaxLiabilitiesFHLBStockDividends	721000	USD
CY2019Q4	fbnc	Deferred Tax Liabilities Trust Preferred Securities DeferredTaxLiabilitiesTrustPreferredSecurities	548000	USD
CY2018Q4	fbnc	Deferred Tax Liabilities Trust Preferred Securities DeferredTaxLiabilitiesTrustPreferredSecurities	528000	USD
CY2019Q4	fbnc	Deferred Tax Liabilities Purchase Accounting Adjustments DeferredTaxLiabilitiesPurchaseAccountingAdjustments	84000	USD
CY2018Q4	fbnc	Deferred Tax Liabilities Purchase Accounting Adjustments DeferredTaxLiabilitiesPurchaseAccountingAdjustments	122000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	2239000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	0	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	18610000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	16054000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	7751000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	764000	USD
CY2019	fbnc	Deferred Income Tax Expense Benefit Unrealized Gains Losses On Available For Sale Securities DeferredIncomeTaxExpenseBenefitUnrealizedGainsLossesOnAvailableForSaleSecurities	5135000	USD
CY2018	fbnc	Deferred Income Tax Expense Benefit Unrealized Gains Losses On Available For Sale Securities DeferredIncomeTaxExpenseBenefitUnrealizedGainsLossesOnAvailableForSaleSecurities	-2379000	USD
CY2019	fbnc	Deferred Income Tax Pension Adjustments DeferredIncomeTaxPensionAdjustments	42000	USD
CY2018	fbnc	Deferred Income Tax Pension Adjustments DeferredIncomeTaxPensionAdjustments	-5000	USD
CY2019	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	1881000	USD
CY2018	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	1814000	USD
CY2018	fbnc	State Income Tax Rate Effective From Next Fiscal Year StateIncomeTaxRateEffectiveFromNextFiscalYear	0.025
CY2019	fbnc	Pre1988 Tax Bad Debt Reserve Pre1988TaxBadDebtReserve	6869000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	756000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	698000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	24418000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	23830000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	23709000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1186000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1117000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1461000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	596000	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	43000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	27000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	24000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2178000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2639000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1780000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	4000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-8000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-1000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-73000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-1269000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-398000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-484000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-419000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24230000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24189000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21767000	USD
CY2019Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	474000	USD
CY2019Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	769905000	USD
CY2019Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	83272000	USD
CY2019Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	26611000	USD
CY2019Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	13811000	USD
CY2019Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	10999000	USD
CY2019Q4	us-gaap	Time Deposits TimeDeposits	905072000	USD
CY2019Q4	us-gaap	Due To Other Related Parties Current And Noncurrent DueToOtherRelatedPartiesCurrentAndNoncurrent	1300000	USD
CY2018Q4	us-gaap	Due To Other Related Parties Current And Noncurrent DueToOtherRelatedPartiesCurrentAndNoncurrent	1000000.0	USD
CY2019Q4	us-gaap	Bank Overdrafts BankOverdrafts	700	USD
CY2019Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	442200000	USD
CY2018Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	503100000	USD
CY2019Q4	us-gaap	Cash Fdic Insured Amount CashFDICInsuredAmount	250000	USD
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	86100000	USD
CY2018Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	239900000	USD
CY2019Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	303430000	USD
CY2019Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0212
CY2019Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	2759000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	300671000	USD
CY2018Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	409550000	USD
CY2018Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0268
CY2018Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	2941000	USD
CY2018Q4	us-gaap	Long Term Debt LongTermDebt	406609000	USD
CY2019Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	198000000.0	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	29349000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	9494000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	19855000	USD
CY2018Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	253000000.0	USD
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P20Y4M24D
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0329
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	19700000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	19900000	USD
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	2600000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	2300000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	2300000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	2422000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	2215000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1851000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1727000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1570000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	19564000	USD
CY2019	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	0	USD
CY2018	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	0	USD
CY2017	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	0	USD
CY2019Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	43824000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	39170000	USD
CY2017	fbnc	Expected Average Annual Rate Of Return ExpectedAverageAnnualRateOfReturn	0.0775
CY2017	fbnc	Expected Average Annual Rate Of Return ExpectedAverageAnnualRateOfReturn	0.0775
CY2019Q4	fbnc	Outstanding Closedend Loan Commitments OutstandingClosedendLoanCommitments	386944000	USD
CY2018Q4	fbnc	Outstanding Closedend Loan Commitments OutstandingClosedendLoanCommitments	382010000	USD
CY2019Q4	fbnc	Unfunded Commitments On Revolving Lines Of Credit Credit Cards And Home Equity Loans UnfundedCommitmentsOnRevolvingLinesOfCreditCreditCardsAndHomeEquityLoans	935728000	USD
CY2018Q4	fbnc	Unfunded Commitments On Revolving Lines Of Credit Credit Cards And Home Equity Loans UnfundedCommitmentsOnRevolvingLinesOfCreditCreditCardsAndHomeEquityLoans	906784000	USD
CY2019Q4	fbnc	Commitments Total CommitmentsTotal	1322672000	USD
CY2018Q4	fbnc	Commitments Total CommitmentsTotal	1288794000	USD
CY2019Q4	us-gaap	Guaranty Liabilities GuarantyLiabilities	12000000.0	USD
CY2018Q4	us-gaap	Guaranty Liabilities GuarantyLiabilities	15700000	USD
CY2019Q4	fbnc	Marketable Securities To Any One Issuer Or Guarantor Threshold MarketableSecuritiesToAnyOneIssuerOrGuarantorThreshold	5000000.0	USD
CY2019Q4	fbnc	Funding Commitment Remaining Amount Committed FundingCommitmentRemainingAmountCommitted	2700000	USD
CY2019Q4	us-gaap	Cash Fdic Insured Amount CashFDICInsuredAmount	250000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2270000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1569000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1095000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	522000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	367000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	405000	USD
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	59948	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	17.18
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2017	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	21259	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	19.16
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	236584000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	0
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	0
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	0
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	0	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	0
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	0	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	0	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	0	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	0
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	38689	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.09
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	29689	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	16.61
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	659743000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	0	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	0
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	9000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	14.35
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	9000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	14.35
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	203963000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	0
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	0	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	0
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	0	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	129000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	324000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	287000	USD
CY2019Q4	fbnc	Restricted Investment In Bank RestrictedInvestmentInBank	587400000	USD
CY2019Q4	us-gaap	Cash And Securities Segregated Under Federal And Other Regulations CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations	3802000	USD
CY2019	fbnc	Other Service Charges Commissions And Fees Debit Card Interchange Income OtherServiceChargesCommissionsAndFeesDebitCardInterchangeIncome	13814000	USD
CY2018	fbnc	Other Service Charges Commissions And Fees Debit Card Interchange Income OtherServiceChargesCommissionsAndFeesDebitCardInterchangeIncome	11995000	USD
CY2017	fbnc	Other Service Charges Commissions And Fees Other Interchange Income OtherServiceChargesCommissionsAndFeesOtherInterchangeIncome	11454000	USD
CY2019	fbnc	Other Operating Expenses Dues And Subscriptions Includes Software Subscriptions OtherOperatingExpensesDuesAndSubscriptionsIncludesSoftwareSubscriptions	4250000	USD
CY2018	fbnc	Other Operating Expenses Dues And Subscriptions Includes Software Subscriptions OtherOperatingExpensesDuesAndSubscriptionsIncludesSoftwareSubscriptions	3431000	USD
CY2017	fbnc	Other Operating Expenses Dues And Subscriptions Includes Software Subscriptions OtherOperatingExpensesDuesAndSubscriptionsIncludesSoftwareSubscriptions	1889000	USD
CY2019	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3130000	USD
CY2018	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3234000	USD
CY2017	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2910000	USD
CY2019	us-gaap	Communication Communication	3057000	USD
CY2018	us-gaap	Communication Communication	3024000	USD
CY2017	us-gaap	Communication Communication	2470000	USD
CY2019	us-gaap	Marketing Expense MarketingExpense	2727000	USD
CY2018	us-gaap	Marketing Expense MarketingExpense	3065000	USD
CY2017	us-gaap	Marketing Expense MarketingExpense	2549000	USD
CY2019	us-gaap	Supplies Expense SuppliesExpense	1830000	USD
CY2018	us-gaap	Supplies Expense SuppliesExpense	2582000	USD
CY2017	us-gaap	Supplies Expense SuppliesExpense	2399000	USD
CY2019	us-gaap	Professional Fees ProfessionalFees	1508000	USD
CY2018	us-gaap	Professional Fees ProfessionalFees	1820000	USD
CY2017	us-gaap	Professional Fees ProfessionalFees	2511000	USD
CY2019	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	344000	USD
CY2018	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2333000	USD
CY2017	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2350000	USD
CY2017	fbnc	Other Operating Expenses Credit Debit Card Processing Expense OtherOperatingExpensesCreditDebitCardProcessingExpense	2797000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	92046000	USD
CY2019Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	40000000	USD
	us-gaap	Deferred Compensation Arrangement With Individual Distribution Paid DeferredCompensationArrangementWithIndividualDistributionPaid	5100000	USD
CY2019	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	282000	shares
CY2019	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	35.51
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	10000000	USD
CY2019Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	25000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	92046000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	89289000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	45972000	USD
CY2019	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	450000	USD
CY2018	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	0	USD
CY2017	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	0	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	91596000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	29547851	shares
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.10
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	89289000	USD
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	29566259	shares
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.02
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	45972000	USD
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25210606	shares
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.82
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-7815000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	29547851	shares
CY2018	us-gaap	Net Income Loss NetIncomeLoss	89289000	USD
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	29566259	shares
CY2017	us-gaap	Net Income Loss NetIncomeLoss	45972000	USD
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25210606	shares
CY2019	fbnc	Effectof Dilutive Securities Income Loss EffectofDilutiveSecuritiesIncomeLoss	0	USD
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	172648	shares
CY2018	fbnc	Effectof Dilutive Securities Income Loss EffectofDilutiveSecuritiesIncomeLoss	0	USD
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	141172	shares
CY2017	fbnc	Effectof Dilutive Securities Income Loss EffectofDilutiveSecuritiesIncomeLoss	0	USD
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	80776	shares
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	92046000	USD
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	29720499	shares
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.10
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	89289000	USD
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	29707431	shares
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.01
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	45972000	USD
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	25291382	shares
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.82
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2017	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	1413000	USD
CY2017	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-284000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1697000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-7831000	USD
CY2018	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-16000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	16545000	USD
CY2019	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-539000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	17084000	USD
CY2019	fbnc	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	12970000	USD
CY2018	fbnc	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	12690000	USD
CY2017	fbnc	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	11862000	USD
CY2019	fbnc	Interchange Income Net InterchangeIncomeNet	13814000	USD
CY2018	fbnc	Interchange Income Net InterchangeIncomeNet	11995000	USD
CY2019	us-gaap	Other Income OtherIncome	5667000	USD
CY2017	fbnc	Interchange Income Net InterchangeIncomeNet	11454000	USD
CY2017	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	2152000	USD
CY2019	fbnc	Sba Consulting Fees SBAConsultingFees	3872000	USD
CY2018	fbnc	Sba Consulting Fees SBAConsultingFees	4675000	USD
CY2018	us-gaap	Other Income OtherIncome	4493000	USD
CY2017	us-gaap	Other Income OtherIncome	2949000	USD
CY2019	us-gaap	Insurance Investment Income InsuranceInvestmentIncome	5289000	USD
CY2018	us-gaap	Insurance Investment Income InsuranceInvestmentIncome	6038000	USD
CY2017	us-gaap	Insurance Investment Income InsuranceInvestmentIncome	3148000	USD
CY2019	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	3206000	USD
CY2018	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	2693000	USD
CY2017	fbnc	Sba Consulting Fees SBAConsultingFees	4024000	USD
CY2019	fbnc	Noninterest Income In Scope Of Revenue From Contracts With Customers NoninterestIncomeInScopeOfRevenueFromContractsWithCustomers	44818000	USD
CY2018	fbnc	Noninterest Income In Scope Of Revenue From Contracts With Customers NoninterestIncomeInScopeOfRevenueFromContractsWithCustomers	42584000	USD
CY2017	fbnc	Noninterest Income In Scope Of Revenue From Contracts With Customers NoninterestIncomeInScopeOfRevenueFromContractsWithCustomers	35589000	USD
CY2019	fbnc	Noninterest Income Out Of Scope Of Topic606 NoninterestIncomeOutOfScopeOfTopic606	14711000	USD
CY2018	fbnc	Noninterest Income Out Of Scope Of Topic606 NoninterestIncomeOutOfScopeOfTopic606	16358000	USD
CY2017	fbnc	Noninterest Income Out Of Scope Of Topic606 NoninterestIncomeOutOfScopeOfTopic606	13643000	USD
CY2019	us-gaap	Noninterest Income NoninterestIncome	59529000	USD
CY2018	us-gaap	Noninterest Income NoninterestIncome	58942000	USD
CY2017	us-gaap	Noninterest Income NoninterestIncome	49232000	USD
CY2018	fbnc	Interchange Expense InterchangeExpense	2600000	USD

Files In Submission

Name	View Source	Status
0001628280-20-002559-index-headers.html	Edgar Link	pending
0001628280-20-002559-index.html	Edgar Link	pending
0001628280-20-002559.txt	Edgar Link	pending
0001628280-20-002559-xbrl.zip	Edgar Link	pending
a2019fbncstockchart.jpg	Edgar Link	pending
elliotdavisa03.jpg	Edgar Link	pending
exhibit231-consentofin.htm	Edgar Link	pending
exhibit232-consentofin.htm	Edgar Link	pending
exhibit4b-descriptiono.htm	Edgar Link	pending
fbnc-20191231.xsd	Edgar Link	pending
fbnc-20191231x10k.htm	Edgar Link	pending
fbnc-20191231x10k_htm.xml	Edgar Link	completed
fbnc-20191231xexx311.htm	Edgar Link	pending
fbnc-20191231xexx312.htm	Edgar Link	pending
fbnc-20191231xexx321.htm	Edgar Link	pending
fbnc-20191231xexx322.htm	Edgar Link	pending
fbnc-20191231_cal.xml	Edgar Link	unprocessable
fbnc-20191231_def.xml	Edgar Link	unprocessable
fbnc-20191231_lab.xml	Edgar Link	unprocessable
fbnc-20191231_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
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report.css	Edgar Link	pending
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$FBNC
FIRST BANCORP /NC/ Stock $fbnc

2018 Q4 Form 10-K Financial Statement

#000162828020002559 Filed on February 28, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FBNC FIRST BANCORP /NC/ Stock $fbnc

2018 Q4 Form 10-K Financial Statement

#000162828020002559 Filed on February 28, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FBNC
FIRST BANCORP /NC/ Stock $fbnc