    <SEC-DOCUMENT>0001174947-21-000265-index.html : 20210315
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    <ACCEPTANCE-DATETIME>20210315091036
    ACCESSION NUMBER:		0001174947-21-000265
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		14
    CONFORMED PERIOD OF REPORT:	20210315
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20210315
    DATE AS OF CHANGE:		20210315

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			FIRST BANCORP /NC/
    		CENTRAL INDEX KEY:			0000811589
    		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
    		IRS NUMBER:				561421916
    		STATE OF INCORPORATION:			NC
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-15572
    		FILM NUMBER:		21740015

    	BUSINESS ADDRESS:
    		STREET 1:		300 SW BROAD STREET
    		CITY:			SOUTHERN PINES
    		STATE:			NC
    		ZIP:			28387
    		BUSINESS PHONE:		910-246-2500

    	MAIL ADDRESS:
    		STREET 1:		300 SW BROAD STREET
    		CITY:			SOUTHERN PINES
    		STATE:			NC
    		ZIP:			28387
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>form8k-25658_fbnc.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: form8k-25658_fbnc.htm

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    <DOCUMENT>
    <TYPE>EX-99.A
    <SEQUENCE>2
    <FILENAME>ex99a.htm
    <DESCRIPTION>EX-99.A
    <TEXT>
    Document 2 - file: ex99a.htm

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>image_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: image_001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>4
    <FILENAME>fbnc-20210315_lab.xml
    <DESCRIPTION>XBRL LABEL FILE
    <TEXT>
    Document 4 - file: fbnc-20210315_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>5
    <FILENAME>fbnc-20210315_pre.xml
    <DESCRIPTION>XBRL PRESENTATION FILE
    <TEXT>
    Document 5 - file: fbnc-20210315_pre.xml

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    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>6
    <FILENAME>fbnc-20210315.xsd
    <DESCRIPTION>XBRL SCHEMA FILE
    <TEXT>
    Document 6 - file: fbnc-20210315.xsd

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>7
    <FILENAME>form8k-25658_fbnc_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 7 - file: form8k-25658_fbnc_htm.html

    Document 7 - RAW XML: form8k-25658_fbnc_htm.xml

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>8
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 8 - file: R1.htm

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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>9
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 9 - file: Financial_Report.xlsx

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>10
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 10 - file: Show.js

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>11
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 12 - file: FilingSummary.html

    Document 12 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>14
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>15
    <FILENAME>0001174947-21-000265-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: 0001174947-21-000265-xbrl.zip

    </DOCUMENT>
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