Quarterly Financial Data (Unaudited) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended							9 Months Ended	12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Dec. 31, 2011	Dec. 31, 2012
Quarterly Financial Data Details
Total interest income	$ 3,645	$ 3,807	$ 3,864	$ 3,987	$ 4,024	$ 4,212	$ 4,372	$ 12,608	$ 15,303
Total interest expense	621	668	718	791	862	1,027	1,090	2,979	2,798
Net Interest Income	3,024	3,139	3,146	3,196	3,162	3,185	3,282	9,629	12,505
Provision for Loan Losses	155	225	(394)	787	294	442	70	806	773
Total noninterest income	461	516	493	468	515	534	441	1,484	1,938
Total noninterest expense	2,730	2,840	3,215	2,785	2,791	2,952	3,002	8,739	11,570
Income Before Federal Income Taxes	600	590	818	92	592	325	651	1,568	2,100
Provision for Federal Income Taxes	119	125	194	(60)	82	16	136	234	378
Net Income	$ 481	$ 465	$ 624	$ 152	$ 510	$ 309	$ 515	$ 1,334	$ 1,722
Basic Earnings Per Share	$ 0.17	$ 0.16	$ 0.21	$ 0.05	$ 0.18	$ 0.10	$ 0.18	$ 0.46	$ 0.59
Diluted Earnings Per Share	$ 0.17	$ 0.16	$ 0.21	$ 0.05	$ 0.18	$ 0.10	$ 0.18	$ 0.46	$ 0.59