DERIVATIVE INSTRUMENTS (Offsetting Of Derivative Assets And Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Offsetting Assets And Liabilities [Line Items]
Gross Amount Recognized	$ 15,876	$ 19,750
Gross Amount Offset
Net Amount Recognized	15,876	19,750
Net Amount	15,876	19,750
Gross Amount Recognized	463,625	422,188
Gross Amount Offset
Net Amount Recognized	463,625	422,188
Financial Instruments	(454,002)	(405,937)
Financial Collateral Pledged	(9,175)	(15,856)
Net Amount	448	395
Forward Commitments [Member]
Offsetting Assets And Liabilities [Line Items]
Gross Amount Recognized	6,701	3,894
Gross Amount Offset
Net Amount Recognized	6,701	3,894
Net Amount	6,701	3,894
Gross Amount Recognized	448	395
Gross Amount Offset
Net Amount Recognized	448	395
Net Amount	448	395
Loan/Lease Interest Rate Swaps [Member]
Offsetting Assets And Liabilities [Line Items]
Gross Amount Recognized	9,175	15,856
Gross Amount Offset
Net Amount Recognized	9,175	15,856
Net Amount	9,175	15,856
Gross Amount Recognized	9,175	15,856
Gross Amount Offset
Net Amount Recognized	9,175	15,856
Financial Collateral Pledged	(9,175)	(15,856)
Repurchase Arrangements [Member]
Offsetting Assets And Liabilities [Line Items]
Gross Amount Recognized	454,002	405,937
Gross Amount Offset
Net Amount Recognized	454,002	405,937
Financial Instruments	$ (454,002)	$ (405,937)