EARNINGS PER SHARE - Reconciliation of weighted average shares outstanding (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
EARNINGS PER SHARE
Net income available for stockholders:	$ 1,935	$ 2,173	$ 3,384	$ 3,805
Less: Dividends paid Common Stock	(1,142)	(755)	(2,283)	(1,510)
Undistributed income	$ 793	$ 1,418	$ 1,101	$ 2,295
Basic shares outstanding:
Common Stock	35,558	35,530	35,515	35,531
Restricted shares of common stock	1,271	1,138	1,259	1,118
Basic shares outstanding, Total	36,829	36,668	36,774	36,649
Diluted shares outstanding:
Common Stock	35,558	35,530	35,515	35,531
Dilutive effect of stock based awards	194	42	229	147
Diluted shares outstanding excluding restricted shares of common stock, Total	35,752	35,572	35,744	35,678
Restricted shares of common stock	1,271	1,138	1,259	1,118
Diluted shares outstanding, Total	37,023	36,710	37,003	36,796