Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Assets:
Cash and due from banks	$ 69,723	$ 62,559
Interest bearing deposits	166,057	70,086
Federal funds sold	2,701	26,338
Cash and cash equivalents	238,481	158,983
Certificates of deposit in other banks	11,875	14,762
Securities available-for-sale at fair value (amortized cost of $511,731 and $332,658, respectively)	527,398	338,675
Securities held-to-maturity at amortized cost (fair value of $1,661 and $1,662, respectively)	1,662	1,662
Loans held for sale	536	455
Loans	2,556,548	2,605,180
Allowance for loan losses	(33,171)	(34,805)
Net loans	2,523,377	2,570,375
Premises and equipment, net	54,297	55,343
Federal Home Loan Bank stock	25,673	25,673
Federal Reserve Bank stock	4,883	4,434
Goodwill	65,490	65,499
Core deposit intangible (net of accumulated amortization of $7,499 and $7,260, respectively)	1,117	1,342
Bank owned life insurance	43,483	39,697
Mortgage servicing rights	2,282	3,161
Other real estate owned	56,965	42,935
Other assets	33,660	32,876
Total assets	3,591,179	3,355,872
Deposits
Noninterest bearing	584,735	525,478
Interest bearing	2,293,624	2,180,639
Total deposits	2,878,359	2,706,117
Repurchase agreements	217,177	188,275
Federal funds purchased and other short-term borrowings	13,104	9,680
Advances from Federal Home Loan Bank	21,609	21,238
Long-term debt	61,341	61,341
Other liabilities	32,723	30,583
Total liabilities	3,224,313	3,017,234
Shareholders' equity:
Preferred stock, 300,000 shares authorized and unissued	0	0
Common stock, $5 par value, shares authorized 25,000,000; shares outstanding 2011 - 15,429,992; 2010 - 15,334,410	77,151	76,673
Capital surplus	156,101	154,615
Retained earnings	123,431	103,439
Accumulated other comprehensive income, net of tax	10,183	3,911
Total shareholders' equity	366,866	338,638
Total liabilities and shareholders' equity	$ 3,591,179	$ 3,355,872