Investment Securities (Details 3) (USD $)	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013
Investment securities available for sale, Amortized Cost
More than One Year to Five Years	$ 11,749,000
More than Five Years to Ten Years	50,387,000
More than Ten Years	141,847,000
Total	203,983,000
Investment securities available for sale, Fair Value
More than One Year to Five Years	11,729,000
More than Five Years to Ten Years	50,146,000
More than Ten Years	140,267,000
Total	202,142,000	256,089,000	301,160,000
Accumulated other comprehensive income (loss)	(1,800,000)	(5,200,000)
Accumulated other comprehensive income, net of tax	(1,084,000)	(3,077,000)	1,566,000
Municipal bonds
Investment securities available for sale, Amortized Cost
More than One Year to Five Years	11,749,000
More than Five Years to Ten Years	37,712,000
More than Ten Years	27,601,000
Total	77,062,000
Investment securities available for sale, Fair Value
More than One Year to Five Years	11,729,000
More than Five Years to Ten Years	37,570,000
More than Ten Years	28,025,000
Total	77,324,000	94,127,000	155,939,000
Mortgage-backed securities
Investment securities available for sale, Amortized Cost
More than Five Years to Ten Years	12,675,000
More than Ten Years	114,246,000
Total	126,921,000
Investment securities available for sale, Fair Value
More than Five Years to Ten Years	12,576,000
More than Ten Years	112,242,000
Total	$ 124,818,000	$ 161,881,000	$ 145,136,000