Equity-Based Compensation Plans (Details Narrative) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Sep. 30, 2012 CEO	Mar. 31, 2013 First Bancorp Plans	Mar. 31, 2013 First Bancorp 2007 Equity Plan	Mar. 31, 2013 First Bancorp 2007 Equity Plan February 2012 Award	Mar. 31, 2012 First Bancorp 2007 Equity Plan February 2012 Award	Mar. 31, 2013 First Bancorp 2007 Equity Plan February 2011 Award	Mar. 31, 2012 First Bancorp 2007 Equity Plan February 2011 Award
Director equity grants granted, value					$ 16,000
Total compensation expense associated with senior executives grants						89,700		105,000
Stock based compensation expense	19	20				11,200	3,700	6,500	10,350
Subsequent quarter compensation expense associated with senior executives grants						11,200
Exercise price range - floor				$ 9.76
Exercise prices range - ceiling				$ 22.12
Shares remaining available for grant				758,731
Equity grants		9,559	40,000
Granted			75,000
Fair value of equity grant, per share		$ 10.96
Stock based compensation, income tax benefit	$ 7	$ 8