CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Assets
Cash and due from banks	$ 56,413	$ 66,864
Money market funds and federal funds sold	55,746	42,284
Cash and cash equivalents	112,159	109,148
Securities available for sale	885,601	876,090
Loans held for sale	19,193	16,620
Loans, net of allowance for loan losses of $38,541 and $39,889	1,493,538	1,494,490
Restricted stock, at cost	15,854	15,856
Premises and equipment, net	50,705	50,652
Goodwill	61,919	61,919
Purchased intangible assets	6,711	7,163
Cash surrender value of life insurance	48,491	48,204
Interest receivable and other assets	70,115	74,038
Total assets	2,764,286	2,754,180
Deposits
Noninterest bearing	348,981	334,345
Interest bearing	1,810,017	1,825,555
Total deposits	2,158,998	2,159,900
Securities sold under agreement to repurchase	29,665	25,789
Federal Home Loan Bank (FHLB) advances	151,354	151,427
Subordinated debentures	50,305	50,267
Other liabilities	51,801	30,244
Total liabilities	2,442,123	2,417,627
Shareholders' equity
Preferred stock, no par value: Authorized shares - 400,000 Issued and outstanding shares - 35,970 and 57,000 Aggregate liquidation preference - $35,970 and $57,000	35,615	56,387
Common stock $.50 stated value: Authorized shares - 100,000,000 Issued shares - 20,789,366 and 20,780,616 Outstanding shares - 20,214,964 and 20,206,214	10,418	10,411
Treasury stock - 574,402 at cost	(9,367)	(9,367)
Additional paid-in capital	223,637	223,510
Retained earnings	39,007	32,720
Accumulated other comprehensive income	22,853	22,892
Total shareholders' equity	322,163	336,553
Total liabilities and shareholders' equity	$ 2,764,286	$ 2,754,180