Consolidated Condensed Statements Of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Interest and dividend income:
Interest and fees on loans	$ 59,908	$ 60,052
Interest and dividends on:
Obligations of U.S. Government, its agencies and other securities	7,138	8,609
Interest Income, Securities, State and Municipal	1,460	373
Other interest income	249	274
Total interest and dividend income	68,755	69,308
Interest on deposits:
Demand and savings deposits	1,614	824
Time deposits	2,161	2,387
Interest on borrowings:
Short-term borrowings	235	164
Long-term debt	5,793	6,114
Total interest expense	9,803	9,489
Net interest income	58,952	59,819
Provision for loan losses	876	910
Net interest income after provision for loan losses	58,076	58,909
Other income:
Income from fiduciary activities	5,514	5,113
Service charges on deposit accounts	3,139	3,423
Other service income	2,804	2,574
Checkcard fee income	3,761	3,532
Bank owned life insurance income	1,103	1,197
ATM Fees	542	583
OREO valuation adjustments	(73)	(118)
Gain on sale of OREO, net	100	134
Other	617	951
Total other income	17,507	17,389
Other expense:
Salaries and employee benefits	22,717	21,554
Employee Benefits and Share-based Compensation	5,181	4,773
Occupancy expense	2,635	2,548
Furniture and equipment expense	3,618	3,443
Data processing fees	1,965	1,217
Professional fees and services	4,829	6,667
Marketing	1,056	1,111
Insurance	1,570	1,411
Communication	1,333	1,221
Excise and Sales Taxes	1,063	926
Other expense	1,495	5,028
Total other expense	47,462	49,899
Income before income taxes	28,121	26,399
Income taxes	7,854	7,713
Net income	20,267	18,686
Net income available to common shareholders	$ 20,267	$ 18,686
Net income available to common shareholders
Basic	$ 1.32	$ 1.22
Diluted	$ 1.31	$ 1.21
Weighted average common shares outstanding
Basic	15,312,059	15,330,813
Diluted	15,432,769	15,406,508
Cash dividends declared	$ 0.94	$ 0.94