DERIVATIVE INSTRUMENTS AND OFFSETTING ASSETS AND LIABILITIES (Offsetting Of Derivative Assets And Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015
Derivative [Line Items]
Gross Amount Recognized	$ 25,452	$ 19,508	$ 25,307
Gross Amount Offset
Net Amount Recognized	25,452	19,508	25,307
Financial Instruments
Financial Collateral Pledged
Net Amount	25,452	19,508	25,307
Gross Amount Recognized	436,372	422,188	394,849
Gross Amount Offset
Net Amount Recognized	436,372	422,188	394,849
Financial Instruments	(415,949)	(405,937)	(375,980)
Financial Collateral Pledged	(16,854)	(15,856)	(18,565)
Net Amount	3,569	395	304
Forward Commitments [Member]
Derivative [Line Items]
Gross Amount Recognized	8,840	3,894	7,013
Gross Amount Offset
Net Amount Recognized	8,840	3,894	7,013
Financial Instruments
Financial Collateral Pledged
Net Amount	8,840	3,894	7,013
Gross Amount Recognized	3,569	395	304
Gross Amount Offset
Net Amount Recognized	3,569	395	304
Financial Instruments
Financial Collateral Pledged
Net Amount	3,569	395	304
Loan/Lease Interest Rate Swaps [Member]
Derivative [Line Items]
Gross Amount Recognized	16,612	15,614	18,294
Gross Amount Offset
Net Amount Recognized	16,612	15,614	18,294
Financial Instruments
Financial Collateral Pledged
Net Amount	16,612	15,614	18,294
Gross Amount Recognized	16,854	15,856	18,565
Gross Amount Offset
Net Amount Recognized	16,854	15,856	18,565
Financial Instruments
Financial Collateral Pledged	(16,854)	(15,856)	(18,565)
Repurchase Arrangements [Member]
Derivative [Line Items]
Gross Amount Recognized	415,949	405,937	375,980
Gross Amount Offset
Net Amount Recognized	415,949	405,937	375,980
Financial Instruments	$ (415,949)	(405,937)	$ (375,980)
Financial Collateral Pledged