Securities (Details 5) (USD $)	3 Months Ended
	Mar. 31, 2015 security	Dec. 31, 2014 security
Additional information
The number of holdings of securities of any one issuer other than the U.S. Government and its sponsored entities	0
Holdings of securities as percentage of shareholders' equity, considered as threshold for disclosure purpose	10.00%
Number of securities held	361	361
Number of available for sale securities held	130	130
Number of held to maturity securities held	231	231
Number of securities with fair values below amortized cost	155	151
Total unrealized loss for securities over 12 months	$ 1,545,000	$ 1,680,000