Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Interest and dividend income:
Loans, including fees	$ 92,691	$ 93,073	$ 99,996
Debt securities:
Taxable	8,733	10,007	11,000
Tax exempt	524	700	986
Dividends	27	32	19
Interest bearing cash at Federal Reserve and other banks	1,007	760	332
Total interest and dividend income	102,982	104,572	112,333
Interest expense:
Deposits	6,559	10,447	17,891
Other borrowings	2,420	2,412	1,221
Junior subordinated debt	1,259	1,274	1,503
Total interest expense	10,238	14,133	20,615
Net interest income	92,744	90,439	91,718
Provision for loan losses	23,060	37,458	31,450
Net interest income after provision for loan losses	69,684	52,981	60,268
Noninterest income:
Service charges and fees	23,944	23,100	22,822
Gain on sale of loans	3,037	3,647	3,466
Commissions on sale of non-deposit investment products	2,105	1,209	1,632
Increase in cash value of life insurance	1,885	1,847	1,879
Bargain purchase gain	7,575	232
Other	4,267	2,660	530
Total noninterest income	42,813	32,695	30,329
Noninterest expense:
Salaries and related benefits	44,203	40,105	39,810
Other	38,512	37,100	35,640
Total noninterest expense	82,715	77,205	75,450
Income before income taxes	29,782	8,471	15,147
Provision for income taxes	11,192	2,466	5,185
Net income	$ 18,590	$ 6,005	$ 9,962
Earnings per share:
Basic	$ 1.17	$ 0.38	$ 0.63
Diluted	$ 1.16	$ 0.37	$ 0.62