Equity-Based Compensation Plans (Details Narrative) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended		3 Months Ended		6 Months Ended				3 Months Ended	6 Months Ended		6 Months Ended			6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Sep. 30, 2012 Stock options [Member] CEO [Member]	Sep. 30, 2012 Restricted Stock [Member] CEO [Member]	Jun. 30, 2014 Restricted Stock [Member] CEO [Member]	Jun. 30, 2014 Common stock [Member] Non-employee directors [Member]	Jun. 30, 2013 Common stock [Member] Non-employee directors [Member]	Jun. 30, 2014 First Bancorp 2014 Equity Plan [Member]	Jun. 30, 2014 First Bancorp 2007 Equity Plan [Member] February 2014 Award [Member]	Jun. 30, 2014 First Bancorp 2007 Equity Plan [Member] February 2014 Award [Member]	Feb. 11, 2014 First Bancorp 2007 Equity Plan [Member] February 2014 Award [Member]	Jun. 30, 2014 First Bancorp 2007 Equity Plan [Member] February 2012 Award [Member]	Jun. 30, 2013 First Bancorp 2007 Equity Plan [Member] February 2012 Award [Member]	Feb. 23, 2012 First Bancorp 2007 Equity Plan [Member] February 2012 Award [Member]	Jun. 30, 2014 First Bancorp Plans [Member]
Director equity grants granted, value								$ 16,000
Grants in period (options)			75,000	40,000
Total compensation expense											278,200			58,900
Stock based compensation expense	225,000	220,000							23,200	46,400		600	14,900
Subsequent quarter compensation expense associated with senior executives grants										23,200
Exercise price range - floor															$ 9.76
Exercise prices range - ceiling															$ 22.12
Shares remaining available for grant															989,935
Equity grants					15,657	10,065	13,164
Fair value of equity grant, per share					$ 17.77	$ 17.6	$ 14.68
Stock based compensation, income tax benefit	$ 87,000	$ 86,000
Stock options outstanding	277,679