LOANS AND LEASES (Loan And Lease Portfolio, Net Of Unearned Income, By Segment, Class And Internally Assigned Grade) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	$ 9,712,936	$ 8,958,015
Home Equity [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	531,374
Pass [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	9,366,126	8,533,481
Pass [Member] | Home Equity [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	521,011
Special Mention [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	978	5,570
Substandard [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	316,722	361,543
Substandard [Member] | Home Equity [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	9,744
Doubtful [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	1,009	2,478
Impaired [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	28,101	54,943
Impaired [Member] | Home Equity [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	619
Commercial And Industrial [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	1,746,486	1,529,249
Commercial And Industrial [Member] | Pass [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	1,709,475	1,495,972
Commercial And Industrial [Member] | Special Mention [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	978	978
Commercial And Industrial [Member] | Substandard [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	33,879	30,886
Commercial And Industrial [Member] | Doubtful [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total		99
Commercial And Industrial [Member] | Impaired [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	2,154	1,314
Real Estate [Member] | Consumer Mortgages [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	2,257,726	1,976,073
Real Estate [Member] | Home Equity [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	531,374	494,339
Real Estate [Member] | Agricultural [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	239,616	234,576
Real Estate [Member] | Commercial And Industrial-Owner Occupied [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	1,522,536	1,473,320
Real Estate [Member] | Construction, Acquisition And Development [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	853,623	741,458
Real Estate [Member] | Commercial Real Estate [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	1,961,977	1,846,039
Real Estate [Member] | Pass [Member] | Consumer Mortgages [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	2,167,965	1,859,094
Real Estate [Member] | Pass [Member] | Home Equity [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total		478,283
Real Estate [Member] | Pass [Member] | Agricultural [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	227,688	214,728
Real Estate [Member] | Pass [Member] | Commercial And Industrial-Owner Occupied [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	1,450,158	1,409,757
Real Estate [Member] | Pass [Member] | Construction, Acquisition And Development [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	811,227	674,299
Real Estate [Member] | Pass [Member] | Commercial Real Estate [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	1,893,514	1,751,553
Real Estate [Member] | Special Mention [Member] | Consumer Mortgages [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total		1,531
Real Estate [Member] | Special Mention [Member] | Home Equity [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total		250
Real Estate [Member] | Special Mention [Member] | Agricultural [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total		779
Real Estate [Member] | Special Mention [Member] | Commercial And Industrial-Owner Occupied [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total		116
Real Estate [Member] | Special Mention [Member] | Construction, Acquisition And Development [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total		1,459
Real Estate [Member] | Special Mention [Member] | Commercial Real Estate [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total		386
Real Estate [Member] | Substandard [Member] | Consumer Mortgages [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	84,975	108,615
Real Estate [Member] | Substandard [Member] | Home Equity [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total		14,570
Real Estate [Member] | Substandard [Member] | Agricultural [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	11,928	18,187
Real Estate [Member] | Substandard [Member] | Commercial And Industrial-Owner Occupied [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	64,420	50,853
Real Estate [Member] | Substandard [Member] | Construction, Acquisition And Development [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	39,675	49,401
Real Estate [Member] | Substandard [Member] | Commercial Real Estate [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	57,761	76,199
Real Estate [Member] | Doubtful [Member] | Consumer Mortgages [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total		427
Real Estate [Member] | Doubtful [Member] | Home Equity [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total		96
Real Estate [Member] | Doubtful [Member] | Commercial And Industrial-Owner Occupied [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	491	849
Real Estate [Member] | Doubtful [Member] | Construction, Acquisition And Development [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	334	587
Real Estate [Member] | Doubtful [Member] | Commercial Real Estate [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	184	420
Real Estate [Member] | Impaired [Member] | Consumer Mortgages [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	4,786	6,406
Real Estate [Member] | Impaired [Member] | Home Equity [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total		1,140
Real Estate [Member] | Impaired [Member] | Agricultural [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total		882
Real Estate [Member] | Impaired [Member] | Commercial And Industrial-Owner Occupied [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	7,467	11,745
Real Estate [Member] | Impaired [Member] | Construction, Acquisition And Development [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	2,387	15,712
Real Estate [Member] | Impaired [Member] | Commercial Real Estate [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	10,518	17,481
Credit Cards [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	113,426	111,328
Credit Cards [Member] | Pass [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	113,426	111,328
All Other [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	486,172	551,633
All Other [Member] | Pass [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	471,662	538,467
All Other [Member] | Special Mention [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total		71
All Other [Member] | Substandard [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	14,340	12,832
All Other [Member] | Impaired [Member]
Loan and lease portfolio, net of unearned income, by grade [Abstract]
Total	$ 170	$ 263