CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data	9 Months Ended	12 Months Ended
	Sep. 30, 2011	Dec. 31, 2010
CONDENSED CONSOLIDATED BALANCE SHEETS
Securities held to maturity, estimated fair value (in dollars)	$ 19,530	$ 21,890
Loans, allowance for loan losses (in dollars)	23,467	33,078
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized shares	250,000	250,000
Preferred stock, shares issued	36,842	36,842
Preferred stock, shares outstanding	36,842	36,842
Preferred stock, liquidation preference (in dollars)	36,842	36,842
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized shares	50,000,000	50,000,000
Common stock, issued shares	17,672,684	17,518,827
Common stock, outstanding shares	16,960,092	16,695,808
Treasury stock, shares	712,592	823,019
Accumulated other comprehensive income, taxes (in dollars)	$ 2,766	$ 2,193