LOANS AND LEASES (Gross Loans And Leases By Segment And Class) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans and leases	$ 10,685,166	$ 10,404,326	$ 10,254,013
Less: Unearned income	26,405	31,548	34,437
Net loans and leases	10,658,761	10,372,778	10,219,576
Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans and leases	1,619,668	1,752,273	1,715,293
Net loans and leases	1,616,152	1,747,774
Real Estate [Member] \| Consumer Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans and leases	2,611,387	2,472,202	2,447,132
Net loans and leases	2,611,387	2,472,202
Real Estate [Member] \| Home Equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans and leases	622,566	589,752	573,566
Net loans and leases	622,566	589,752
Real Estate [Member] \| Agricultural [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans and leases	242,171	259,360	252,381
Net loans and leases	242,171	259,360
Real Estate [Member] \| Commercial And Industrial - Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans and leases	1,668,477	1,617,429	1,605,811
Net loans and leases	1,668,477	1,617,429
Real Estate [Member] \| Construction, Acquisition And Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans and leases	1,121,386	945,045	900,875
Net loans and leases	1,121,386	945,045
Real Estate [Member] \| Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans and leases	2,240,717	2,188,048	2,141,398
Net loans and leases	2,240,717	2,188,048
Credit Cards [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans and leases	107,447	112,165	109,576
Net loans and leases	107,447	112,165
All Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans and leases	451,347	468,052	$ 507,981
Net loans and leases	$ 428,458	$ 441,003

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Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 20
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6378556&loc=d3e10152-111534

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
-Paragraph 1
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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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