CONSOLIDATED STATEMENTS OF CONDITION (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Investment securities
Available for sale, amortized cost	$ 132,348	$ 109,070
Loans, allowance for loan losses	$ 14,639	$ 12,392
Stockholders' Equity
Preferred stock, no par value (in dollars per share)	$ 0	$ 0
Preferred stock, authorized (in shares)	5,000,000	5,000,000
Preferred stock, issued (in shares)	0	0
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, authorized (in shares)	15,000,000	15,000,000
Common stock, issued (in shares)	5,336,927	5,290,082
Common stock, outstanding (in shares)	5,336,927	5,290,082