Earnings Per Share - Computation of earning per share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Basic earnings per share
Income available to common stockholders (in dollars)	$ 1,097	$ 601	$ 2,013	$ 1,103
Weighted Average Shares - Basic (in shares)	1,526,042	1,514,472	1,525,460	1,514,472
Per Share Amount - Basic	$ 0.72	$ 0.40	$ 1.32	$ 0.73
Effect of dilutive RRP awards and stock options (in shares)	5,405	2,304	4,672	1,842
Diluted earnings per share
Income available to common stockholders and assumed conversions (in dollars)	$ 1,097	$ 601	$ 2,013	$ 1,103
Weighted Average Shares - Diluted (in shares)	1,531,447	1,516,776	1,530,132	1,516,314
Per Share Amount - Diluted	$ 0.72	$ 0.40	$ 1.32	$ 0.73