Borrowed Funds (Details Narrative) (USD $)	1 Months Ended	3 Months Ended		6 Months Ended
	Mar. 31, 2007	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012 item
Repurchase agreements		$ 82,900,000		$ 82,900,000		$ 70,200,000
Remaining maximum borrowing capacity with the FHLB		166,000,000		166,000,000
Private placement of Floating Rate, Trust Preferred Securities	4,000,000			13,658,000	266,000
Trust Preferred Securities and the Debentures				Debentures mature in 30 years and are redeemable by the Company after five years
Debt instrument interest rate description				three month LIBOR Rate
Variable rate basis spread		1.62%		1.62%
Borrowed funds		4,124,000	4,100,000	4,124,000	4,100,000	4,124,000
Interest expense on borrowed funds		19,000	22,000	39,000	44,000
Line of credit outstanding						$ 59,000,000
Number of line of credit with other banks						3