CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Assets
Cash and due from banks	$ 60,662	$ 55,826
Money market funds and federal funds sold	1,823	5,494
Cash and cash equivalents	62,485	61,320
Interest bearing time deposits	1,915
Securities available for sale	867,760	891,106
Loans held for sale	8,282	5,999
Loans, net of allowance for loan losses of $23,250 and $27,609	1,934,515	1,644,317
FHLB and other stock	13,854	15,629
Premises and equipment, net	60,527	55,957
Goodwill	73,450	64,900
Purchased intangible assets	5,096	5,125
Cash surrender value of life insurance	62,002	61,292
Interest receivable and other assets	32,630	41,564
Total assets	3,122,516	2,847,209
Deposits
Noninterest bearing	513,393	436,550
Interest bearing	1,954,928	1,764,078
Total deposits	2,468,321	2,200,628
Other borrowings	26,349	38,594
Federal Home Loan Bank (FHLB) advances	214,413	247,858
Subordinated debentures	41,239	46,394
Other liabilities	11,532	8,209
Total liabilities	2,761,854	2,541,683
Commitments and contingent liabilities (Notes 1 and 16)
Shareholders' equity
Preferred stock, no par value Authorized shares - 400,000 Issued shares - 0 Outstanding shares - 0 Aggregate liquidation preference $0
Common stock $.50 stated value: Authorized shares - 100,000,000 Issued shares - 22,222,727 and 20,940,298 Outstanding shares - 21,687,525 and 20,417,224	11,159	10,508
Treasury stock - 535,202 and 523,074 shares, at cost	(8,701)	(8,495)
Additional paid-in capital	246,635	224,793
Retained earnings	97,856	77,586
Accumulated other comprehensive income	13,713	1,134
Total shareholders' equity	360,662	305,526
Total liabilities and shareholders' equity	$ 3,122,516	$ 2,847,209