LOANS AND LEASES (Gross Loans And Leases By Segment And Class) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Loans Total	$ 10,475,528	$ 10,404,326	$ 9,761,555
Less: Unearned income	30,831	31,548	34,585
Net Loans	10,444,697	10,372,778	9,726,970
Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Loans Total	1,720,574	1,752,273	1,682,215
Net Loans	1,716,477	1,747,774
Consumer Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Loans Total	2,480,828	2,472,202	2,301,112
Net Loans	2,480,828	2,472,202
Home Equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Loans Total	605,228	589,752	538,042
Net Loans	605,228	589,752
Agricultural [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Loans Total	239,422	259,360	236,898
Net Loans	239,422	259,360
Commercial And Industrial - Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Loans Total	1,654,577	1,617,429	1,518,153
Net Loans	1,654,577	1,617,429
Construction, Acquisition And Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Loans Total	966,362	945,045	892,730
Net Loans	966,362	945,045
Credit Cards [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Loans Total	106,714	112,165	106,287
Net Loans	106,714	112,165
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Loans Total	2,233,742	2,188,048	1,993,473
Net Loans	2,233,742	2,188,048
All Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross Loans Total	468,081	468,052	$ 492,645
Net Loans	$ 441,347	$ 441,003