$FBNC
FIRST BANCORP /NC/ Stock $fbnc

$fbnc Overview Financials Valuation SEC Filings Company Website

2020 Form 10-K Financial Statement

#000081158921000006 Filed on February 26, 2021

Income Statement

Concept	2020	2019 Q4	2019
Revenue	$237.7M		$250.1M
YoY Change	-4.97%		8.17%
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	$5.800M	$3.000M	$5.800M
YoY Change	0.0%	-11.76%	-4.56%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$19.56M		$33.90M
YoY Change	-42.3%		42.59%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$103.1M	$26.25M	$116.3M
YoY Change	-11.3%	-12.18%	2.47%
Income Tax	$21.65M	$5.440M	$24.23M
% Of Pretax Income	21.0%	20.72%	20.84%
Net Earnings	$81.48M	$20.88M	$92.05M
YoY Change	-11.48%	-12.64%	3.09%
Net Earnings / Revenue	34.28%		36.8%
Basic Earnings Per Share	$2.81		$3.10
Diluted Earnings Per Share	$2.81	$705.4K	$3.10
COMMON SHARES
Basic Shares Outstanding	28.84M shares	29.60M shares	29.55M shares
Diluted Shares Outstanding	28.98M shares		29.72M shares

Balance Sheet

Concept	2020	2019 Q4	2019
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents		$231.3M
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	$138.0M	$114.9M	$135.0M
YoY Change	2.22%	-3.48%	13.45%
Goodwill		$234.4M
YoY Change		0.0%
Intangibles		$17.22M
YoY Change		-18.45%
Long-Term Investments	$8.000M		$8.000M
YoY Change	0.0%		0.0%
Other Assets	$0.00		-$8.000M
YoY Change	-100.0%		700.0%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$7.290B	$6.144B	$6.144B
YoY Change	18.65%	4.77%	4.77%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.000M	$2.000M	$2.000M
YoY Change	-50.0%	0.0%	0.0%
Accrued Expenses	$18.00M	$20.00M	$20.00M
YoY Change	-10.0%
Deferred Revenue
YoY Change
Short-Term Debt		$253.0M
YoY Change		0.0%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$19.00M	$22.00M	$22.00M
YoY Change	-13.64%	1000.0%	1000.0%
LONG-TERM LIABILITIES
Long-Term Debt	$62.00M	$301.0M	$301.0M
YoY Change	-79.4%	-26.04%	-26.04%
Other Long-Term Liabilities	$42.00M	$37.00M	$37.00M
YoY Change	13.51%	15.63%	15.63%
Total Long-Term Liabilities	$104.0M	$338.0M	$338.0M
YoY Change	-69.23%	-23.01%	-23.01%
TOTAL LIABILITIES
Total Short-Term Liabilities	$19.00M	$22.00M	$22.00M
Total Long-Term Liabilities	$104.0M	$338.0M	$338.0M
Total Liabilities	$6.396B	$5.291B	$5.291B
YoY Change	20.88%	3.75%	3.75%
SHAREHOLDERS EQUITY
Retained Earnings		$417.8M
YoY Change		22.25%
Common Stock		$429.5M
YoY Change		-1.14%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$893.0M	$852.4M	$852.0M
YoY Change
Total Liabilities & Shareholders Equity	$7.290B	$6.144B	$6.144B
YoY Change	18.65%	4.77%	4.77%

Cashflow Statement

Concept	2020	2019 Q4	2019
OPERATING ACTIVITIES
Net Income	$81.48M	$20.88M	$92.05M
YoY Change	-11.48%	-12.64%	3.09%
Depreciation, Depletion And Amortization	$5.800M	$3.000M	$5.800M
YoY Change	0.0%	-11.76%	-4.56%
Cash From Operating Activities	$57.08M	$17.80M	$51.24M
YoY Change	11.39%	-21.59%	10.4%
INVESTING ACTIVITIES
Capital Expenditures	$12.36M	-$800.0K	$3.534M
YoY Change	249.83%	-80.0%	-67.04%
Acquisitions	$9.559M		$0.00
YoY Change
Other Investing Activities	-$947.9M	-$155.5M	-$421.2M
YoY Change	125.05%	-20.01%	39.19%
Cash From Investing Activities	-$960.3M	-$156.3M	-$424.7M
YoY Change	126.12%	-21.26%	35.56%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$31.87M		$10.00M
YoY Change	218.68%
Debt Paid & Issued, Net	$202.0M		$51.12M
YoY Change	295.22%		-49.45%
Cash From Financing Activities	$1.039B	52.30M	$141.9M
YoY Change	632.59%	-59.11%	-40.96%
NET CHANGE
Cash From Operating Activities	$57.08M	17.80M	$51.24M
Cash From Investing Activities	-$960.3M	-156.3M	-$424.7M
Cash From Financing Activities	$1.039B	52.30M	$141.9M
Net Change In Cash	$136.0M	-86.20M	-$231.6M
YoY Change	-158.72%	79.96%	770.92%
FREE CASH FLOW
Cash From Operating Activities	$57.08M	$17.80M	$51.24M
Capital Expenditures	$12.36M	-$800.0K	$3.534M
Free Cash Flow	$44.71M	$18.60M	$47.70M
YoY Change	-6.27%	-30.34%	33.67%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0000811589
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CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
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CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Entity File Number EntityFileNumber	0-15572
CY2020	dei	Entity Registrant Name EntityRegistrantName	FIRST BANCORP
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	NC
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	56-1421916
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	300 SW Broad St.,
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Southern Pines,
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	NC
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
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CY2020	dei	City Area Code CityAreaCode	(910)
CY2020	dei	Local Phone Number LocalPhoneNumber	246-2500
CY2020	dei	Security12b Title Security12bTitle	Common Stock, No Par Value
CY2020	dei	Trading Symbol TradingSymbol	FBNC
CY2020	dei	Security Exchange Name SecurityExchangeName	NASDAQ
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CY2019	fbnc	Fees From Pre Sold Mortgage Loans FeesFromPreSoldMortgageLoans	3944000	USD
CY2018	fbnc	Fees From Pre Sold Mortgage Loans FeesFromPreSoldMortgageLoans	2735000	USD
CY2020	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	8848000	USD
CY2019	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	8495000	USD
CY2018	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	8731000	USD
CY2020	fbnc	Sba Consulting Fees SBAConsultingFees	8644000	USD
CY2019	fbnc	Sba Loan Sale Gains SBALoanSaleGains	8275000	USD
CY2020	fbnc	Sba Loan Sale Gains SBALoanSaleGains	7973000	USD
CY2018	fbnc	Sba Loan Sale Gains SBALoanSaleGains	10366000	USD
CY2020	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2533000	USD
CY2019	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2564000	USD
CY2018	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2534000	USD
CY2020	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	8024000	USD
CY2019	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	97000	USD
CY2018	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	0	USD
CY2020	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	-54000	USD
CY2019	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	-169000	USD
CY2018	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	723000	USD
CY2020	us-gaap	Noninterest Income NoninterestIncome	81346000	USD
CY2019	us-gaap	Noninterest Income NoninterestIncome	59529000	USD
CY2018	us-gaap	Noninterest Income NoninterestIncome	58942000	USD
CY2020	us-gaap	Salaries And Wages SalariesAndWages	84941000	USD
CY2019	us-gaap	Salaries And Wages SalariesAndWages	79129000	USD
CY2018	us-gaap	Salaries And Wages SalariesAndWages	75077000	USD
CY2020	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	16027000	USD
CY2019	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	16844000	USD
CY2018	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	16888000	USD
CY2020	us-gaap	Labor And Related Expense LaborAndRelatedExpense	100968000	USD
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	95973000	USD
CY2018	us-gaap	Labor And Related Expense LaborAndRelatedExpense	91965000	USD
CY2020	us-gaap	Occupancy Net OccupancyNet	11278000	USD
CY2019	us-gaap	Occupancy Net OccupancyNet	11122000	USD
CY2018	us-gaap	Occupancy Net OccupancyNet	10793000	USD
CY2020	us-gaap	Equipment Expense EquipmentExpense	4285000	USD
CY2019	us-gaap	Equipment Expense EquipmentExpense	5023000	USD
CY2018	us-gaap	Equipment Expense EquipmentExpense	5627000	USD
CY2020	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	USD
CY2019	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	192000	USD
CY2018	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	2358000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3956000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4858000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5917000	USD
CY2020	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-547000	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
CY2020	us-gaap	Other Noninterest Expense OtherNoninterestExpense	40264000	USD
CY2019	us-gaap	Other Noninterest Expense OtherNoninterestExpense	39087000	USD
CY2018	us-gaap	Other Noninterest Expense OtherNoninterestExpense	39258000	USD
CY2020	us-gaap	Noninterest Expense NoninterestExpense	161298000	USD
CY2019	us-gaap	Noninterest Expense NoninterestExpense	157194000	USD
CY2018	us-gaap	Noninterest Expense NoninterestExpense	156483000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	103131000	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
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21654000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	22000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24230000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24189000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	81477000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	92046000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	89289000	USD
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.81
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.10
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.02
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.81
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.10
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.01
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.72
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.54
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.40
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	28839866	shares
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
CY2018	fbnc	Origination Of Pre Sold Mortgage Loans In Process Of Settlement OriginationOfPreSoldMortgageLoansInProcessOfSettlement	118791000	USD
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	28981567	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
CY2020	us-gaap	Net Income Loss NetIncomeLoss	81477000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	92046000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	89289000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	18729000	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
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	4304000	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
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	8024000	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
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	1844000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	589000	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
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	135000	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
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-686000	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
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-158000	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
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	9227000	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
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	90704000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	109130000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	81474000	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
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	307000	USD
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	2749000	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
CY2020	us-gaap	Net Income Loss NetIncomeLoss	81477000	USD
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	20752000	USD
CY2020	fbnc	Change In Rabbi Trust Obligation ChangeInRabbiTrustObligation	0	USD
CY2020	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	494000	USD
CY2020	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	31868000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	9227000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	893421000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	81477000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	92046000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	89289000	USD
CY2020	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	35039000	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
CY2020	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-5019000	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
CY2020	fbnc	Loan Discount Accretion LoanDiscountAccretion	6328000	USD
CY2019	fbnc	Loan Discount Accretion LoanDiscountAccretion	5974000	USD
CY2018	fbnc	Loan Discount Accretion LoanDiscountAccretion	7812000	USD
CY2020	fbnc	Other Purchase Accounting Accretion And Amortization Net OtherPurchaseAccountingAccretionAndAmortizationNet	-81000	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
CY2020	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-547000	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
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	8024000	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
CY2020	fbnc	Other Operating Gains Losses OtherOperatingGainsLosses	-54000	USD
CY2019	fbnc	Other Operating Gains Losses OtherOperatingGainsLosses	-169000	USD
CY2018	fbnc	Other Operating Gains Losses OtherOperatingGainsLosses	723000	USD
CY2020	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2533000	USD
CY2019	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2564000	USD
CY2018	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2534000	USD
CY2020	fbnc	Increase Decrease In Net Deferred Loan Costs IncreaseDecreaseInNetDeferredLoanCosts	-5639000	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
CY2020	us-gaap	Depreciation Depreciation	5838000	USD
CY2019	us-gaap	Depreciation Depreciation	5836000	USD
CY2018	us-gaap	Depreciation Depreciation	6077000	USD
CY2020	fbnc	Amortization Of Operating Lease Right Of Use Assets AmortizationOfOperatingLeaseRightOfUseAssets	2012000	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
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	1844000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	1669000	USD
CY2018	us-gaap	Operating Lease Payments OperatingLeasePayments	0	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	2540000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	2270000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	1569000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3956000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4858000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5917000	USD
CY2020	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	1795000	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
CY2020	fbnc	Fees Gains From Sale Of Presold Mortgage And Sba Loans FeesGainsFromSaleOfPresoldMortgageAndSBALoans	22156000	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
CY2020	fbnc	Origination Of Pre Sold Mortgage Loans In Process Of Settlement OriginationOfPreSoldMortgageLoansInProcessOfSettlement	418394000	USD
CY2019	fbnc	Origination Of Pre Sold Mortgage Loans In Process Of Settlement OriginationOfPreSoldMortgageLoansInProcessOfSettlement	173705000	USD
CY2020	fbnc	Proceeds From Sales Of Presold Mortgage Loans In Process Of Settlement ProceedsFromSalesOfPresoldMortgageLoansInProcessOfSettlement	410898000	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
CY2020	fbnc	Origination Of Sba Loans For Sale OriginationOfSBALoansForSale	147934000	USD
CY2019	fbnc	Origination Of Sba Loans For Sale OriginationOfSBALoansForSale	150677000	USD
CY2018	fbnc	Origination Of Sba Loans For Sale OriginationOfSBALoansForSale	196784000	USD
CY2020	fbnc	Proceeds From Sales Of Sba Loans ProceedsFromSalesOfSBALoans	115460000	USD
CY2019	fbnc	Proceeds From Sales Of Sba Loans ProceedsFromSalesOfSBALoans	124527000	USD
CY2018	fbnc	Proceeds From Sales Of Sba Loans ProceedsFromSalesOfSBALoans	157427000	USD
CY2020	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	3624000	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
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	991000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	3171000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-6059000	USD
CY2020	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-1250000	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
CY2020	fbnc	Increase Decrease In Deferred Income Tax Liability Net IncreaseDecreaseInDeferredIncomeTaxLiabilityNet	10007000	USD
CY2019	fbnc	Increase Decrease In Deferred Income Tax Liability Net IncreaseDecreaseInDeferredIncomeTaxLiabilityNet	-1588000	USD
CY2018	fbnc	Increase Decrease In Deferred Income Tax Liability Net IncreaseDecreaseInDeferredIncomeTaxLiabilityNet	-1601000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	9805000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-391000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-8230000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	57075000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	51238000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	46410000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1060054000	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
CY2020	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	133611000	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
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	223842000	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
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	33030000	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
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	219697000	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
CY2020	fbnc	Proceeds From Sale Of Federal Reserve Stock And Federal Home Loan Bank Stock ProceedsFromSaleOfFederalReserveStockAndFederalHomeLoanBankStock	9851000	USD
CY2019	fbnc	Proceeds From Sale Of Federal Reserve Stock And Federal Home Loan Bank Stock ProceedsFromSaleOfFederalReserveStockAndFederalHomeLoanBankStock	4088000	USD
CY2018	fbnc	Paymentsto Proceedsfrom Acquire Federal Reserve Stockand Federal Home Loan Bank Stock PaymentstoProceedsfromAcquireFederalReserveStockandFederalHomeLoanBankStock	6129000	USD
CY2020	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	233788000	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
CY2020	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	2485000	USD
CY2019	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	5877000	USD
CY2018	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	7532000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	12363000	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
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	189000	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
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	9559000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-960281000	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
CY2020	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	1342340000	USD
CY2019	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	272206000	USD
CY2018	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	252756000	USD
CY2020	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-198000000	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
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	150000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	50000000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	202035000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	51119000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	101116000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	20936000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	13662000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	11281000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	31868000	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
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	129000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	324000	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	307000	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
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1039194000	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
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	135988000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-231596000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-26592000	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
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	367290000	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
CY2020	us-gaap	Interest Paid Net InterestPaidNet	20812000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	33725000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	23036000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	29604000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	24336000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	21162000	USD
CY2020	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	1583000	USD
CY2019	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	3249000	USD
CY2018	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	4148000	USD
CY2020	fbnc	Unrealized Gain Loss On Securities Available For Sale Net Of Taxes UnrealizedGainLossOnSecuritiesAvailableForSaleNetOfTaxes	14425000	USD
CY2019	fbnc	Unrealized Gain Loss On Securities Available For Sale Net Of Taxes UnrealizedGainLossOnSecuritiesAvailableForSaleNetOfTaxes	17073000	USD
CY2018	fbnc	Unrealized Gain Loss On Securities Available For Sale Net Of Taxes UnrealizedGainLossOnSecuritiesAvailableForSaleNetOfTaxes	-7800000	USD
CY2020	fbnc	Initial Recognition Of Operating Lease Right Of Use Assets InitialRecognitionOfOperatingLeaseRightOfUseAssets	253000	USD
CY2019	fbnc	Initial Recognition Of Operating Lease Right Of Use Assets InitialRecognitionOfOperatingLeaseRightOfUseAssets	19406000	USD
CY2018	fbnc	Initial Recognition Of Operating Lease Right Of Use Assets InitialRecognitionOfOperatingLeaseRightOfUseAssets	0	USD
CY2020	fbnc	Equity Issued Related To Acquisition Contingent Consideration EquityIssuedRelatedToAcquisitionContingentConsideration	494000	USD
CY2019	fbnc	Equity Issued Related To Acquisition Contingent Consideration EquityIssuedRelatedToAcquisitionContingentConsideration	3070000	USD
CY2018	fbnc	Equity Issued Related To Acquisition Contingent Consideration EquityIssuedRelatedToAcquisitionContingentConsideration	0	USD
CY2020	fbnc	Noncash Or Part Noncash Acquisition Loans Acquired NoncashOrPartNoncashAcquisitionLoansAcquired	14633000	USD
CY2019	fbnc	Noncash Or Part Noncash Acquisition Loans Acquired NoncashOrPartNoncashAcquisitionLoansAcquired	0	USD
CY2018	fbnc	Noncash Or Part Noncash Acquisition Loans Acquired NoncashOrPartNoncashAcquisitionLoansAcquired	0	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Other Assets Acquired1 NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1	451000	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Other Assets Acquired1 NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1	0	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Other Assets Acquired1 NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1	0	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	11671000	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
CY2020	fbnc	Financing Receivable Troubled Debt Restructuring Deferral Period For Payment Deferrals FinancingReceivableTroubledDebtRestructuringDeferralPeriodForPaymentDeferrals	P90D
CY2020Q4	fbnc	Financing Receivable Cumulative Aggregate Loan Balance Of Loans Processed For Payment Deferrals FinancingReceivableCumulativeAggregateLoanBalanceOfLoansProcessedForPaymentDeferrals	16600000	USD
CY2020Q2	fbnc	Financing Receivable Sba Paycheck Protection Program Loans Originations FinancingReceivableSBAPaycheckProtectionProgramLoansOriginations	245000000	USD
CY2020Q4	fbnc	Financing Receivable Sba Paycheck Protection Program Loans Forgiveness Payoffs FinancingReceivableSBAPaycheckProtectionProgramLoansForgivenessPayoffs	4000000.0	USD
CY2020Q4	fbnc	Financing Receivable Number Of Sba Paycheck Protection Program Loans Outstanding FinancingReceivableNumberOfSBAPaycheckProtectionProgramLoansOutstanding	2676	loan
CY2020Q4	fbnc	Financing Receivable Aggregate Loan Balance Of Sba Paycheck Protection Program Loans Outstanding FinancingReceivableAggregateLoanBalanceOfSBAPaycheckProtectionProgramLoansOutstanding	241000000	USD
CY2020Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	6100000	USD
CY2019Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	0	USD
CY2020	fbnc	Sba Loan Amortization Period SBALoanAmortizationPeriod	P25Y
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Policy For Uncollectible Amounts FinancingReceivableAllowanceForCreditLossesPolicyForUncollectibleAmounts	<div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Allowance for Loan Losses</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">-</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> The allowance for loan losses is established through a provision for loan losses charged to expense. Loans are charged-off against the allowance for loan losses when management believes that the collectability of the principal is unlikely. Recoveries on loans previously charged-off are added back to the allowance. The provision for loan losses charged to operations is an amount sufficient to bring the allowance for loan losses to an estimated balance considered adequate to absorb losses inherent in the portfolio. Management’s determination of the adequacy of the allowance is based on several factors, including:</span></div><div style="margin-top:10pt;padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt">Risk grades assigned to the loans in the portfolio,</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt">Specific reserves for individually evaluated impaired loans,</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt">Current economic conditions, including the local, state, and national economic outlook; interest rate risk; trends in loan volume, mix and size of loans; levels and trends of delinquencies,</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt">Historical loan loss experience, and</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt">An assessment of the risk characteristics of the Company’s loan portfolio, including industry concentrations, payment structures, changes in property values, and credit administration practices.</span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company segments the loan portfolio into broad categories with similar risk elements for the purposes of computing the allowance for loan losses. Those categories and their specific risks are described below.</span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Commercial, financial, and agricultural</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> - Risks to this loan category include industry concentration and the inability to monitor the condition of the collateral which often consists of inventory, accounts receivable and other non-real estate assets. Equipment and inventory obsolescence can also pose a risk. Declines in general economic conditions and other events can cause cash flows to fall to levels insufficient to service debt. Also included in this category for 2020 are PPP loans, which are fully guaranteed by the SBA and thus have minimal risk.</span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Real estate - construction, land development, & other land loans</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> - Risks common to commercial construction loans are cost overruns, changes in market demand for property, inadequate long-term financing arrangements and declines in real estate values. Residential construction loans are susceptible to those same risks as well as those </span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">associated with residential mortgage loans (see below). Changes in market demand for property could lead to longer marketing times resulting in higher carrying costs, declining values, and higher interest rates.</span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Real estate - mortgage - residential (1-4 family) first</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> - Residential mortgage loans are susceptible to weakening general economic conditions and increases in unemployment rates and declining real estate values.</span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Real estate - mortgage - home equity loans / lines of credit</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> - Risks common to home equity loans and lines of credit are general economic conditions, including an increase in unemployment rates, and declining real estate values which reduce or eliminate the borrower’s home equity.</span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Real estate - mortgage - commercial and other</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> - Loans in this category are susceptible to declines in occupancy rates, business failure and general economic conditions. Also, declines in real estate values and lack of suitable alternative use for the properties are risks for loans in this category.</span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Consumer loans - </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Risks common to these loans include regulatory risks, unemployment and changes in local economic conditions as well as the inability to monitor collateral consisting of personal property</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.</span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">While management uses the best information available to make evaluations, future adjustments may be necessary if economic and other conditions differ substantially from the assumptions used.</span></div><div style="margin-top:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">In addition, various regulatory agencies, as an integral part of their examination process, periodically review the Bank’s allowance for loan losses. Such agencies may require the Bank to recognize additions to the allowance based on the examiners’ judgment about information available to them at the time of their examinations.</span></div>
CY2020Q4	us-gaap	Other Investments OtherInvestments	7800000	USD
CY2019Q4	us-gaap	Other Investments OtherInvestments	8000000.0	USD
CY2020	us-gaap	Number Of Reporting Units NumberOfReportingUnits	3	reporting_unit
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1432684000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1453132000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	22963000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	2515000	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
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	167551000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	170734000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	3348000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	165000	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
CY2020Q4	fbnc	Private Mortgage Backed Security Fair Value PrivateMortgageBackedSecurityFairValue	1000000.0	USD
CY2019Q4	fbnc	Private Mortgage Backed Security Fair Value PrivateMortgageBackedSecurityFairValue	1100000	USD
CY2020Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionLessThan12Months	555070000	USD
CY2020Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	2348000	USD
CY2020Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLonger	7003000	USD
CY2020Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	332000	USD
CY2020Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition	562073000	USD
CY2020Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionAccumulatedLoss	2680000	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
CY2020	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2020Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleAndHeldToMaturityUnrealizedLossPositionNumberOfPositions	69	security
CY2019Q4	fbnc	Debt Securities Available For Sale And Held To Maturity Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleAndHeldToMaturityUnrealizedLossPositionNumberOfPositions	54	security
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	0	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	0	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	2087000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	2101000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	28670000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	30265000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	2915000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	3008000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	74016000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	74400000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	3418000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	3536000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	11000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	10761000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	129172000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue	131189000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	1318998000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	1337706000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount	29959000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	30900000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1432684000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1453132000	USD
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	167551000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	170734000	USD
CY2020Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	630303000	USD
CY2019Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	260826000	USD
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	219697000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	8024000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	97000	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
CY2020Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	23526000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	33380000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	5855000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	15789000	USD
CY2020Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	17671000	USD
CY2019Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	17591000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4735013000	USD
CY2020	us-gaap	Concentration Risk Percentage1 ConcentrationRiskPercentage1	1
CY2019Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4451525000	USD
CY2019	us-gaap	Concentration Risk Percentage1 ConcentrationRiskPercentage1	1
CY2020Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	-3698000	USD
CY2019Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	1941000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4731315000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4453466000	USD
CY2020Q4	fbnc	Financing Receivable Aggregate Loan Balance Of Sba Paycheck Protection Program Loans Approved FinancingReceivableAggregateLoanBalanceOfSBAPaycheckProtectionProgramLoansApproved	240500000	USD
CY2020Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	4000000000.0	USD
CY2019Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	4000000000.0	USD
CY2020	fbnc	Payments That Exceeded The Initial Carrying Amount On Purchased Impaired Loans PaymentsThatExceededTheInitialCarryingAmountOnPurchasedImpairedLoans	500000	USD
CY2020	fbnc	Discount Accretion Loan Interest Income Purchased Impaired Loans Paid Off DiscountAccretionLoanInterestIncomePurchasedImpairedLoansPaidOff	397000	USD
CY2020	fbnc	Additional Loan Interest Income Purchased Impaired Loans Paid Off AdditionalLoanInterestIncomePurchasedImpairedLoansPaidOff	89000	USD
CY2020	fbnc	Payments That Exceeded The Initial Carrying Amount On Purchased Impaired Loans Portion Recorded As Recovery PaymentsThatExceededTheInitialCarryingAmountOnPurchasedImpairedLoansPortionRecordedAsRecovery	14000	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
CY2020Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount Net CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet	8591000	USD
CY2019Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount Net CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet	12664000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	35076000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	24866000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	35076000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	4677629000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4735013000	USD
CY2020Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	-3698000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4731315000	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 Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	21398000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	8502000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	4453000	USD
CY2020	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	35039000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	52388000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	6551000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	45699000	USD
CY2020Q4	fbnc	Financing Receivable Allowancefor Credit Losses Purchased Credit Impaired FinancingReceivableAllowanceforCreditLossesPurchasedCreditImpaired	138000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4735013000	USD
CY2020Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	-3698000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4731315000	USD
CY2020Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	36281000	USD
CY2020Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	4690141000	USD
CY2020Q4	us-gaap	Notes Receivable Net NotesReceivableNet	8591000	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
CY2018Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4247765000	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
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
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
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	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
CY2020Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	20139000	USD
CY2020Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	22613000	USD
CY2020	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	14796000	USD
CY2020Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	16142000	USD
CY2020Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	17442000	USD
CY2020Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	6551000	USD
CY2020	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	16634000	USD
CY2020	fbnc	Interest Income On Restructured Loans InterestIncomeOnRestructuredLoans	1100000	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
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4735013000	USD
CY2020Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	-3698000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	4731315000	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
CY2020	fbnc	Financing Receivable Troubled Debt Restructuring Deferral Period For Payment Deferrals FinancingReceivableTroubledDebtRestructuringDeferralPeriodForPaymentDeferrals	P90D
CY2020Q4	fbnc	Financing Receivable Cumulative Number Of Loans Processed For Payment Deferrals FinancingReceivableCumulativeNumberOfLoansProcessedForPaymentDeferrals	38	loan
CY2020Q4	fbnc	Financing Receivable Cumulative Aggregate Loan Balance Of Loans Processed For Payment Deferrals FinancingReceivableCumulativeAggregateLoanBalanceOfLoansProcessedForPaymentDeferrals	16600000	USD
CY2020	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	12	contract
CY2020	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	6338000	USD
CY2020	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	6341000	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
CY2020	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	1	contract
CY2020	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	274000	USD
CY2019	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	1	contract
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	contract
CY2018	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	1393000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	174967000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	167207000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	54465000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	52348000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	120502000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	114859000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	47432000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	32066000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	43532000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	26315000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	239272000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	234368000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	5788000	USD
CY2020	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	2200000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	2304000	USD
CY2020	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	1795000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1658000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1161000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3956000	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
CY2020Q4	us-gaap	Servicing Asset ServicingAsset	395400000	USD
CY2019Q4	us-gaap	Servicing Asset ServicingAsset	316700000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4858000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5917000	USD
CY2020Q4	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q1	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q3	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q2	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
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CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	2367000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1386000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	741000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	562000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	1250000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	9578000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	27799000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	19920000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	19188000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3909000	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
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-8893000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1572000	USD
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CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	10899000	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
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21654000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24230000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24189000	USD
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CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	367000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	241000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	257000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	293000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	282000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	376000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	3232000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	2833000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	418000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	710000	USD
CY2020Q4	fbnc	Deferred Tax Assets Foreclosed Real Estate DeferredTaxAssetsForeclosedRealEstate	123000	USD
CY2019Q4	fbnc	Deferred Tax Assets Foreclosed Real Estate DeferredTaxAssetsForeclosedRealEstate	87000	USD
CY2020Q4	fbnc	Deferred Tax Assets Basis Differences In Assets Acquired In Fdic Transactions DeferredTaxAssetsBasisDifferencesInAssetsAcquiredInFDICTransactions	647000	USD
CY2019Q4	fbnc	Deferred Tax Assets Basis Differences In Assets Acquired In Fdic Transactions DeferredTaxAssetsBasisDifferencesInAssetsAcquiredInFDICTransactions	416000	USD
CY2020Q4	fbnc	Deferred Tax Assets Nonqualified Stock Options DeferredTaxAssetsNonqualifiedStockOptions	661000	USD
CY2019Q4	fbnc	Deferred Tax Assets Nonqualified Stock Options DeferredTaxAssetsNonqualifiedStockOptions	370000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	258000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	254000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	120000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	0	USD
CY2020Q4	fbnc	Deferred Tax Assets Sba Servicing Asset DeferredTaxAssetsSBAServicingAsset	358000	USD
CY2019Q4	fbnc	Deferred Tax Assets Sba Servicing Asset DeferredTaxAssetsSBAServicingAsset	400000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	3000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	3000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	14000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	40000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	18743000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	10859000	USD
CY2020Q4	fbnc	Deferred Tax Liabilities Loan Fees DeferredTaxLiabilitiesLoanFees	1011000	USD
CY2019Q4	fbnc	Deferred Tax Liabilities Loan Fees DeferredTaxLiabilitiesLoanFees	2428000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4809000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4995000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	7965000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	7844000	USD
CY2020Q4	fbnc	Deferred Tax Liabilities Fhlb Stock Dividends DeferredTaxLiabilitiesFHLBStockDividends	236000	USD
CY2019Q4	fbnc	Deferred Tax Liabilities Fhlb Stock Dividends DeferredTaxLiabilitiesFHLBStockDividends	472000	USD
CY2020Q4	fbnc	Deferred Tax Liabilities Trust Preferred Securities DeferredTaxLiabilitiesTrustPreferredSecurities	473000	USD
CY2019Q4	fbnc	Deferred Tax Liabilities Trust Preferred Securities DeferredTaxLiabilitiesTrustPreferredSecurities	548000	USD
CY2020Q4	fbnc	Deferred Tax Liabilities Purchase Accounting Adjustments DeferredTaxLiabilitiesPurchaseAccountingAdjustments	0	USD
CY2019Q4	fbnc	Deferred Tax Liabilities Purchase Accounting Adjustments DeferredTaxLiabilitiesPurchaseAccountingAdjustments	84000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	4699000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	2239000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	19193000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	18610000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	450000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	7751000	USD
CY2020	fbnc	Deferred Income Tax Expense Benefit Unrealized Gains Losses On Available For Sale Securities DeferredIncomeTaxExpenseBenefitUnrealizedGainsLossesOnAvailableForSaleSecurities	2460000	USD
CY2019	fbnc	Deferred Income Tax Expense Benefit Unrealized Gains Losses On Available For Sale Securities DeferredIncomeTaxExpenseBenefitUnrealizedGainsLossesOnAvailableForSaleSecurities	5135000	USD
CY2020	fbnc	Deferred Income Tax Pension Adjustments DeferredIncomeTaxPensionAdjustments	292000	USD
CY2019	fbnc	Deferred Income Tax Pension Adjustments DeferredIncomeTaxPensionAdjustments	42000	USD
CY2020	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	10054000	USD
CY2019	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	1811000	USD
CY2019	fbnc	State Income Tax Rate Effective From Next Fiscal Year StateIncomeTaxRateEffectiveFromNextFiscalYear	0.025
CY2020	fbnc	Pre1988 Tax Bad Debt Reserve Pre1988TaxBadDebtReserve	6869000	USD
CY2019	fbnc	Pre1988 Tax Bad Debt Reserve Pre1988TaxBadDebtReserve	6869000	USD
CY2019Q4	us-gaap	Bank Overdrafts BankOverdrafts	700000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	21657000	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
CY2020	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1050000	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
CY2020	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	772000	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
CY2020	fbnc	Effective Income Tax Rate Reconciliation Bank Owned Life Insurance Income Amount EffectiveIncomeTaxRateReconciliationBankOwnedLifeInsuranceIncomeAmount	532000	USD
CY2019	fbnc	Effective Income Tax Rate Reconciliation Bank Owned Life Insurance Income Amount EffectiveIncomeTaxRateReconciliationBankOwnedLifeInsuranceIncomeAmount	538000	USD
CY2018	fbnc	Effective Income Tax Rate Reconciliation Bank Owned Life Insurance Income Amount EffectiveIncomeTaxRateReconciliationBankOwnedLifeInsuranceIncomeAmount	532000	USD
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	23000	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
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2117000	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
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-20000	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
CY2020	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	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
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	231000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	140000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	48000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21654000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24230000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24189000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	681719000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	63423000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	21070000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	8217000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	15829000	USD
CY2020Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	674000	USD
CY2020Q4	us-gaap	Time Deposits TimeDeposits	790932000	USD
CY2020Q4	us-gaap	Due To Other Related Parties Current And Noncurrent DueToOtherRelatedPartiesCurrentAndNoncurrent	4400000	USD
CY2019Q4	us-gaap	Due To Other Related Parties Current And Noncurrent DueToOtherRelatedPartiesCurrentAndNoncurrent	1300000	USD
CY2020Q4	us-gaap	Bank Overdrafts BankOverdrafts	500000	USD
CY2020Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	375700000	USD
CY2019Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	442200000	USD
CY2020Q4	us-gaap	Cash Fdic Insured Amount CashFDICInsuredAmount	250000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	20200000	USD
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	86100000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	64409000	USD
CY2020Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0222
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	2580000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	61829000	USD
CY2019Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	303430000	USD
CY2019Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0268
CY2019Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	2759000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	300671000	USD
CY2019Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	253000000.0	USD
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CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	17500000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	17900000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	19700000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	19900000	USD
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	2900000	USD
CY2019	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	2600000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	2300000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	2245000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1832000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1673000	USD
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CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	18272000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	26736000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	8868000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	17868000	USD
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CY2020Q4	us-gaap	Guaranty Liabilities GuarantyLiabilities	14100000	USD
CY2019Q4	us-gaap	Guaranty Liabilities GuarantyLiabilities	12000000.0	USD
CY2020Q4	fbnc	Marketable Securities To Any One Issuer Or Guarantor Threshold MarketableSecuritiesToAnyOneIssuerOrGuarantorThreshold	5000000.0	USD
CY2020Q4	fbnc	Funding Commitment Remaining Amount Committed FundingCommitmentRemainingAmountCommitted	6300000	USD
CY2020Q4	us-gaap	Cash Fdic Insured Amount CashFDICInsuredAmount	250000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2540000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2270000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1569000	USD
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CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	29689	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	659743000	USD
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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
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
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	0	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	0
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	0	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	0
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	0	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	0
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	0	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	0	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	0
CY2020Q4	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
CY2020Q4	fbnc	Restricted Investment In Bank RestrictedInvestmentInBank	590672000	USD
CY2020Q4	us-gaap	Cash And Securities Segregated Under Federal And Other Regulations CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations	1099000	USD
CY2020	fbnc	Other Service Charges Commissions And Fees Debit Card Interchange Income OtherServiceChargesCommissionsAndFeesDebitCardInterchangeIncome	14142000	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
CY2020	fbnc	Other Operating Expenses Dues And Subscriptions Includes Software Subscriptions OtherOperatingExpensesDuesAndSubscriptionsIncludesSoftwareSubscriptions	4764000	USD
CY2019	fbnc	Other Operating Expenses Dues And Subscriptions Includes Software Subscriptions OtherOperatingExpensesDuesAndSubscriptionsIncludesSoftwareSubscriptions	4250000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	89289000	USD
CY2018	fbnc	Other Operating Expenses Dues And Subscriptions Includes Software Subscriptions OtherOperatingExpensesDuesAndSubscriptionsIncludesSoftwareSubscriptions	3431000	USD
CY2020	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3157000	USD
CY2019	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3130000	USD
CY2018	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3234000	USD
CY2020	us-gaap	Communication Communication	2893000	USD
CY2019	us-gaap	Communication Communication	3057000	USD
CY2018	us-gaap	Communication Communication	3024000	USD
CY2020	us-gaap	Marketing Expense MarketingExpense	1960000	USD
CY2019	us-gaap	Marketing Expense MarketingExpense	2727000	USD
CY2018	us-gaap	Marketing Expense MarketingExpense	3065000	USD
	us-gaap	Deferred Compensation Arrangement With Individual Distribution Paid DeferredCompensationArrangementWithIndividualDistributionPaid	5500000	USD
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1117208	shares
CY2020	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	28.53
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	31900000	USD
CY2019Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	40000000	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
CY2020Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	20000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	81477000	USD
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2019	us-gaap	Net Income Loss NetIncomeLoss	92046000	USD
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	28839866	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.81
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	91596000	USD
CY2020	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	398000	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
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	81079000	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
CY2020	us-gaap	Net Income Loss NetIncomeLoss	81477000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	28839866	shares
CY2019	us-gaap	Net Income Loss NetIncomeLoss	92046000	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
CY2020	fbnc	Effectof Dilutive Securities Income Loss EffectofDilutiveSecuritiesIncomeLoss	0	USD
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	141701	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
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	81477000	USD
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	28981567	shares
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.81
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
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2019	fbnc	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	12970000	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
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-7815000	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
CY2020	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	14879000	USD
CY2020	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	5652000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	9227000	USD
CY2020	fbnc	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	11098000	USD
CY2019	fbnc	Noninterest Income In Scope Of Revenue From Contracts With Customers NoninterestIncomeInScopeOfRevenueFromContractsWithCustomers	44818000	USD
CY2018	fbnc	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	12690000	USD
CY2020	fbnc	Interchange Income Net InterchangeIncomeNet	14142000	USD
CY2019	fbnc	Interchange Income Net InterchangeIncomeNet	13814000	USD
CY2018	fbnc	Interchange Income Net InterchangeIncomeNet	11995000	USD
CY2020	us-gaap	Other Income OtherIncome	5955000	USD
CY2019	us-gaap	Other Income OtherIncome	5667000	USD
CY2018	us-gaap	Other Income OtherIncome	4493000	USD
CY2020	us-gaap	Insurance Investment Income InsuranceInvestmentIncome	5353000	USD
CY2019	us-gaap	Insurance Investment Income InsuranceInvestmentIncome	5289000	USD
CY2018	us-gaap	Insurance Investment Income InsuranceInvestmentIncome	6038000	USD
CY2020	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	3495000	USD
CY2019	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	3206000	USD
CY2018	us-gaap	Investment Banking Revenue InvestmentBankingRevenue	2693000	USD
CY2020	fbnc	Sba Consulting Fees SBAConsultingFees	8644000	USD
CY2019	fbnc	Sba Consulting Fees SBAConsultingFees	3872000	USD
CY2018	fbnc	Sba Consulting Fees SBAConsultingFees	4675000	USD
CY2020	fbnc	Noninterest Income In Scope Of Revenue From Contracts With Customers NoninterestIncomeInScopeOfRevenueFromContractsWithCustomers	48687000	USD
CY2018	fbnc	Noninterest Income In Scope Of Revenue From Contracts With Customers NoninterestIncomeInScopeOfRevenueFromContractsWithCustomers	42584000	USD
CY2020	fbnc	Noninterest Income Out Of Scope Of Topic606 NoninterestIncomeOutOfScopeOfTopic606	32659000	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
CY2020	us-gaap	Noninterest Income NoninterestIncome	81346000	USD
CY2019	us-gaap	Noninterest Income NoninterestIncome	59529000	USD
CY2018	us-gaap	Noninterest Income NoninterestIncome	58942000	USD
CY2019	fbnc	Interchange Expense InterchangeExpense	2600000	USD
CY2020Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	1600000	USD
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	200000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	1400000	USD

Files In Submission

Name	View Source	Status
0000811589-21-000006-index-headers.html	Edgar Link	pending
0000811589-21-000006-index.html	Edgar Link	pending
0000811589-21-000006.txt	Edgar Link	pending
0000811589-21-000006-xbrl.zip	Edgar Link	pending
exhibit-annualincentiveplan.htm	Edgar Link	pending
exhibit21-listofsubsidiari.htm	Edgar Link	pending
exhibit231-consentofindepe.htm	Edgar Link	pending
exhibit232-consentofindepe.htm	Edgar Link	pending
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fbnc-20201231_pre.xml	Edgar Link	unprocessable
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Financial_Report.xlsx	Edgar Link	pending
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$FBNC
FIRST BANCORP /NC/ Stock $fbnc

2020 Form 10-K Financial Statement

#000081158921000006 Filed on February 26, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FBNC FIRST BANCORP /NC/ Stock $fbnc

2020 Form 10-K Financial Statement

#000081158921000006 Filed on February 26, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FBNC
FIRST BANCORP /NC/ Stock $fbnc