Consolidated Condensed Statements Of Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Interest and dividend income:
Interest and fees on loans	$ 55,412	$ 54,753
Interest and dividends on:
Obligations of U.S. Government, its agencies and other securities	9,389	9,476
Obligations of states and political subdivisions		2
Other interest income	217	111
Total interest and dividend income	65,018	64,342
Interest on deposits:
Demand and savings deposits	486	393
Time deposits	2,622	2,278
Interest on borrowings:
Short-term borrowings	133	126
Long-term debt	6,242	7,065
Total interest expense	9,483	9,862
Net interest income	55,535	54,480
Provision for (recovery of) loan losses	1,632	(2,225)
Net interest income after provision for loan losses	53,903	56,705
Other income:
Income from fiduciary activities	4,912	4,541
Service charges on deposit accounts	3,381	3,659
Other service income	2,301	1,918
Checkcard fee income	3,351	3,213
Bank owned life insurance income	1,878	1,262
ATM Fees	578	594
OREO valuation adjustments	(304)	(416)
Gain on sale of OREO, net	673	706
Gain (Loss) on Sales of Loans, Net	756	0
Other	1,347	1,171
Total other income	18,873	16,648
Other expense:
Salaries and employee benefits	26,667	25,060
Occupancy expense	2,579	2,832
Furniture and equipment expense	2,862	2,998
Data processing fees	1,267	1,114
Professional fees and services	4,694	6,283
Marketing	1,013	1,118
Insurance	1,461	1,447
Communication	1,331	1,343
Excise and Sales Taxes	1,047	975
Other Real Estate Owned Expense	467	1,277
Other expense	2,332	1,332
Total other expense	45,720	45,779
Income before income taxes	27,056	27,574
Income taxes	8,012	7,997
Net income	19,044	19,577
Net income available to common shareholders	$ 19,044	$ 19,577
Net income available to common shareholders
Basic	$ 1.24	$ 1.27
Diluted	$ 1.23	$ 1.27
Weighted average common shares outstanding
Basic	15,379,170	15,401,105
Diluted	15,421,928	15,414,897
Cash dividends declared	$ 0.94	$ 0.94