DERIVATIVE INSTRUMENTS AND OFFSETTING ASSETS AND LIABILITIES (Offsetting Of Derivative Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Offsetting Assets And Liabilities [Line Items]
Gross Amount Recognized	$ 24,236	$ 30,573	$ 35,413
Gross Amount Offset
Net Amount Recognized	24,236	30,573	35,413
Financial Instruments
Financial Collateral Pledged
Net Amount	24,236	30,573	35,413
Gross Amount Recognized	453,898	450,380	454,010
Gross Amount Offset
Net Amount Recognized	453,898	450,380	454,010
Financial Instruments	(431,428)	(421,028)	(418,623)
Financial Collateral Pledged	(22,056)	(29,249)	(33,130)
Net Amount	414	103	2,257
Forward Commitments [Member]
Offsetting Assets And Liabilities [Line Items]
Gross Amount Recognized	2,180	1,324	2,283
Gross Amount Offset
Net Amount Recognized	2,180	1,324	2,283
Financial Instruments
Financial Collateral Pledged
Net Amount	2,180	1,324	2,283
Gross Amount Recognized	414	103	2,257
Gross Amount Offset
Net Amount Recognized	414	103	2,257
Financial Instruments
Financial Collateral Pledged
Net Amount	414	103	2,257
Loan/Lease Interest Rate Swaps [Member]
Offsetting Assets And Liabilities [Line Items]
Gross Amount Recognized	22,056	29,249	33,130
Gross Amount Offset
Net Amount Recognized	22,056	29,249	33,130
Financial Instruments
Financial Collateral Pledged
Net Amount	22,056	29,249	33,130
Gross Amount Recognized	22,056	29,249	33,130
Gross Amount Offset
Net Amount Recognized	22,056	29,249	33,130
Financial Instruments
Financial Collateral Pledged	(22,056)	(29,249)	(33,130)
Repurchase Arrangements [Member]
Offsetting Assets And Liabilities [Line Items]
Gross Amount Recognized	431,428	421,028	418,623
Gross Amount Offset
Net Amount Recognized	431,428	421,028	418,623
Financial Instruments	(431,428)	(421,028)	(418,623)
Financial Collateral Pledged