Consolidated Statements Of Condition (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
ASSETS
Cash and due from banks	$ 58,290	$ 39,325
Securities
Securities available for sale, at fair value	781,050	590,036
Federal Home Loan Bank and Federal Reserve Bank stock, at cost	21,034	21,962
Total securities	802,084	611,998
Trading account assets	2,300	2,244
Loans held for sale		6,061
Loans	1,563,866	1,514,028
Less allowance for loan losses	(23,044)	(23,011)
Net loans	1,540,822	1,491,017
Goodwill and other intangible assets	53,299	45,194
Bank-owned life insurance	45,053	43,672
Premises and equipment, net	28,059	24,113
Deferred tax asset	7,663	13,486
Interest receivable	6,215	6,431
Prepaid FDIC assessment	3,606	4,796
Other real estate owned	1,313	1,682
Other assets	16,053	12,701
Total assets	2,564,757	2,302,720
Deposits
Demand	240,749	256,330
Interest checking, savings and money market	1,169,148	828,977
Retail certificates of deposit	418,442	395,431
Brokered deposits	101,130	110,628
Total deposits	1,929,469	1,591,366
Federal Home Loan Bank advances	56,404	136,860
Other borrowed funds	259,940	275,656
Junior subordinated debentures	43,819	43,717
Accrued interest and other liabilities	41,310	36,245
Total liabilities	2,330,942	2,083,844
Commitments and Contingencies (Notes 6, 14, 15, 17 and 19)
Shareholders' Equity
Common stock, no par value; authorized 20,000,000 shares, issued and outstanding 7,622,750 and 7,664,975 shares at December 31, 2012 and 2011, respectively	49,667	51,438
Retained earnings	181,151	165,377
Accumulated other comprehensive income (loss)
Net unrealized gains on securities available for sale, net of tax	12,943	11,128
Net unrealized losses on derivative instruments, at fair value, net of tax	(7,205)	(7,264)
Net unrecognized losses on postretirement plans, net of tax	(2,741)	(1,803)
Total accumulated other comprehensive income	2,997	2,061
Total shareholders' equity	233,815	218,876
Total liabilities and shareholders' equity	$ 2,564,757	$ 2,302,720