Consolidated Condensed Statements Of Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Interest and dividend income:
Interest and fees on loans	$ 57,004	$ 56,388	$ 111,757	$ 112,163
Interest and dividends on:
Obligations of U.S. Government, its agencies and other securities	9,271	8,673	18,747	18,915
Obligations of states and political subdivisions	1	16	3	33
Other interest income	87	202	198	360
Total interest and dividend income	66,363	65,279	130,705	131,471
Interest on deposits:
Demand and savings deposits	399	468	792	969
Time deposits	2,133	2,900	4,411	5,990
Interest on borrowings:
Short-term borrowings	127	134	252	278
Long-term debt	7,143	7,065	14,209	14,069
Total interest expense	9,802	10,567	19,664	21,306
Net interest income	56,561	54,712	111,041	110,165
Provision for loan losses	(1,260)	673	(3,485)	1,002
Net interest income after provision for loan losses	57,821	54,039	114,526	109,163
Other income:
Income from fiduciary activities	4,825	4,328	9,366	8,404
Service charges on deposit accounts	3,942	4,070	7,601	7,892
Other service income	2,527	3,352	4,445	7,337
Checkcard fee income	3,493	3,316	6,706	6,299
Bank owned life insurance income	1,026	1,254	2,288	2,456
ATM fees	636	677	1,230	1,304
OREO valuation adjustments	(675)	(600)	(1,091)	(199)
Gain on sale of OREO, net	2,603	1,633	3,309	1,857
Other	1,294	1,268	2,465	2,753
Total other income	19,671	19,298	36,319	38,103
Other expense:
Salaries and employee benefits	26,140	24,679	51,200	49,312
Occupancy expense	2,457	2,444	5,289	5,041
Furniture and equipment expense	2,994	2,981	5,992	5,588
Data processing fees	1,121	1,049	2,235	2,068
Professional fees and services	8,168	5,880	14,451	11,744
Amortization of intangibles			0	225
Marketing	1,006	953	2,124	1,801
Insurance	1,467	1,338	2,914	2,640
Communication	1,293	1,453	2,636	3,033
Excise and Sales Taxes	925	928	1,900	1,856
Other Real Estate Owned Expense	308	969	1,585	1,481
Other expense	2,317	3,896	5,568	8,104
Total other expense	48,196	46,570	95,894	92,668
Income (loss) before income taxes	29,296	26,767	54,951	54,598
Income taxes	7,469	6,733	13,505	13,854
Net income	21,827	20,034	41,446	40,744
Net income available to common shareholders	$ 21,827	$ 20,034	$ 41,446	$ 40,744
Net income available to common shareholders
Basic	$ 1.42	$ 1.30	$ 2.69	$ 2.64
Diluted	$ 1.42	$ 1.30	$ 2.69	$ 2.64
Weighted average common shares outstanding
Basic	15,392,435	15,411,981	15,396,770	15,411,986
Diluted	15,412,167	15,411,981	15,413,568	15,411,986
Cash dividends declared	$ 0.94	$ 0.94	$ 1.88	$ 1.88