CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Investment securities
Mortgage-backed securities held to maturity, fair value	$ 2,418	$ 2,928
Stockholders' equity
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, authorized (in shares)	2,000,000	2,000,000
Preferred stock, issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.1	$ 0.1
Common stock, authorized (in shares)	10,000,000	10,000,000
Common stock, issued (in shares)	5,290,000	5,290,000
Common stock, outstanding (in shares)	2,836,946	2,831,874
Common stock, in treasury (in shares)	2,453,054	2,458,126