CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data	Sep. 30, 2011	Dec. 31, 2010
Available-for-sale investment securities, Amortized cost (in dollars)	$ 254,136	$ 189,682
Loans, allowance for credit losses (in dollars)	$ 11,031	$ 11,014
Series A
Preferred stock, liquidation preference (in dollars per share)		$ 1,000
Preferred stock, authorized		10,000,000
Preferred stock, issued		7,000
Preferred stock, outstanding		7,000
Series C
Preferred stock, liquidation preference (in dollars per share)	$ 1,000
Preferred stock, authorized	10,000,000
Preferred stock, issued	7,000
Preferred stock, outstanding	7,000
Voting common stock
Common stock, authorized	80,000,000	80,000,000
Common stock, issued	9,547,816	9,109,154
Common stock, outstanding	9,547,816	9,109,154
Non-voting common stock
Common stock, authorized		1,000,000
Common stock, issued		258,862
Common stock, outstanding		258,862