CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
CONSOLIDATED BALANCE SHEETS [Abstract]
Investment securities held-to-maturity, estimated fair value	$ 2,594	$ 2,599
Preferred stock, par or stated value per share	$ 2.00	$ 2.00
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Common stock, par value per share	$ 2.00	$ 2.00
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	5,727,173	5,717,400
Treasury stock, shares	237,183	237,183