CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Assets
Cash and due from banks	$ 31,385	$ 58,100
Money market funds and federal funds sold	4,512	7,550
Cash and cash equivalents	35,897	65,650
Securities available for sale	906,396	902,341
Loans held for sale	5,094	17,025
Loans, net of allowance for loan losses of $31,728 and $32,227	1,521,592	1,521,156
Restricted stock, at cost	15,637	15,639
Premises and equipment, net	55,025	54,101
Goodwill	64,379	63,947
Purchased intangible assets	6,513	6,993
Cash surrender value of life insurance	59,752	59,410
Interest receivable and other assets	62,324	63,026
Total assets	2,732,609	2,769,288
Deposits
Noninterest bearing	418,916	405,167
Interest bearing	1,763,781	1,779,887
Total deposits	2,182,697	2,185,054
Other borrowings	39,479	34,519
Federal Home Loan Bank (FHLB) advances	104,404	141,052
Subordinated debentures	50,455	50,418
Other liabilities	32,901	34,494
Total liabilities	2,409,936	2,445,537
Shareholders' equity
Preferred stock, no par value: Authorized shares - 400,000; Issued shares - 57,000 Outstanding shares - 15,100 Aggregate liquidation preference - $15,100	14,932	14,918
Common stock $.50 stated value: Authorized shares - 100,000,000 Issued shares - 20,866,227 and 20,859,027 Outstanding shares - 20,326,725 and 20,304,525	10,465	10,450
Treasury stock - 539,502 and 554,502 at cost	(8,798)	(9,043)
Additional paid-in capital	224,185	224,096
Retained earnings	60,170	57,602
Accumulated other comprehensive income	21,719	25,728
Total shareholders' equity	322,673	323,751
Total liabilities and shareholders' equity	$ 2,732,609	$ 2,769,288