EARNINGS PER SHARE - Computation of earning per share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Basic earnings per share
Income (Loss) available to common stockholders	$ 755	$ (298)	$ 1,857	$ 944
Income available to common stockholders (in shares)	1,517,793	1,514,472	1,515,587	1,514,472
Income available to common stockholders (in dollars per share)	$ 0.50	$ (0.20)	$ 1.23	$ 0.62
Effect of dilutive RRP awards and stock options (in shares)	2,378		2,021	2,034
Diluted earnings per share
Income (Loss) available to common stockholders and assumed conversions	$ 755	$ (298)	$ 1,857	$ 944
Income available to common stockholders and assumed conversions (in shares)	1,520,171	1,514,472	1,517,608	1,516,506
Income available to common stockholders and assumed conversions (in dollars per share)	$ 0.50	$ (0.20)	$ 1.22	$ 0.62