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Document And Entity Information
6 Months Ended
Jun. 30, 2011
Jul. 31, 2011
Entity Registrant Name FIRST BANCORP /NC/  
Entity Central Index Key 0000811589  
Current Fiscal Year End Date --12-31  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   16,877,731
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q2  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2011