CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Assets
Cash and due from banks	$ 78,753	$ 58,100
Money market funds and federal funds sold	5,361	7,550
Cash and cash equivalents	84,114	65,650
Securities available for sale	893,187	902,341
Loans held for sale	5,888	17,025
Loans, net of allowance for loan losses of $27,849 and $32,227	1,583,141	1,521,156
Restricted stock, at cost	15,630	15,639
Premises and equipment, net	56,579	54,101
Goodwill	64,379	63,947
Purchased intangible assets	5,580	6,993
Cash surrender value of life insurance	60,956	59,410
Interest receivable and other assets	54,893	63,026
Total assets	2,824,347	2,769,288
Deposits
Noninterest bearing	415,572	405,167
Interest bearing	1,752,702	1,779,887
Total deposits	2,168,274	2,185,054
Other borrowings	30,435	34,519
Federal Home Loan Bank (FHLB) advances	247,291	141,052
Subordinated debentures	50,518	50,418
Other liabilities	23,358	34,494
Total liabilities	2,519,876	2,445,537
Shareholders' equity
Preferred stock, no par value: Authorized shares - 400,000; Issued shares - 57,000 Outstanding shares - 0 and 15,100 Aggregate liquidation preference -$0 and $15,100		14,918
Common stock $.50 stated value: Authorized shares - 100,000,000 Issued shares - 20,928,007 and 20,859,027 Outstanding shares - 20,403,933 and 20,304,525	10,498	10,450
Treasury stock - 524,074 and 554,502 at cost	(8,511)	(9,043)
Additional paid-in capital	224,479	224,096
Retained earnings	71,822	57,602
Accumulated other comprehensive income	6,183	25,728
Total shareholders' equity	304,471	323,751
Total liabilities and shareholders' equity	$ 2,824,347	$ 2,769,288