CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
ASSETS
Loans, allowance for loan losses	$ 51,817	$ 53,400
EQUITY
Common stock, shares authorized (in shares)	90,000,000	90,000,000
Common stock, shares issued (in shares)	16,331,947	16,217,019
Common stock, shares outstanding (in shares)	16,253,496	16,145,772
Treasury stock, at cost (in shares)	78,451	71,247