DERIVATIVE INSTRUMENTS AND OFFSETTING ASSETS AND LIABILITIES (Offsetting Of Derivative Assets And Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Offsetting Assets And Liabilities [Line Items]
Gross Amount Recognized	$ 25,578	$ 24,181	$ 30,041
Gross Amount Offset
Net Amount Recognized	25,578	$ 24,181	$ 30,041
Financial Instruments
Financial Collateral Pledged
Net Amount	25,578	$ 24,181	$ 30,041
Gross Amount Recognized	394,849	$ 411,373	$ 422,039
Gross Amount Offset
Net Amount Recognized	394,849	$ 411,373	$ 422,039
Financial Instruments	(375,980)	(388,166)	(394,446)
Financial Collateral Pledged	(18,565)	(22,004)	(26,434)
Net Amount	304	1,203	1,159
Forward Commitments [Member]
Offsetting Assets And Liabilities [Line Items]
Gross Amount Recognized	7,013	$ 2,177	$ 3,607
Gross Amount Offset
Net Amount Recognized	7,013	$ 2,177	$ 3,607
Financial Instruments
Financial Collateral Pledged
Net Amount	7,013	$ 2,177	$ 3,607
Gross Amount Recognized	304	$ 1,203	$ 1,159
Gross Amount Offset
Net Amount Recognized	304	$ 1,203	$ 1,159
Financial Instruments
Financial Collateral Pledged
Net Amount	304	$ 1,203	$ 1,159
Loan/Lease Interest Rate Swaps [Member]
Offsetting Assets And Liabilities [Line Items]
Gross Amount Recognized	18,565	$ 22,004	$ 26,434
Gross Amount Offset
Net Amount Recognized	18,565	$ 22,004	$ 26,434
Financial Instruments
Financial Collateral Pledged
Net Amount	18,565	$ 22,004	$ 26,434
Gross Amount Recognized	18,565	$ 22,004	$ 26,434
Gross Amount Offset
Net Amount Recognized	18,565	$ 22,004	$ 26,434
Financial Instruments
Financial Collateral Pledged	(18,565)	$ (22,004)	$ (26,434)
Repurchase Arrangements [Member]
Offsetting Assets And Liabilities [Line Items]
Gross Amount Recognized	375,980	$ 388,166	$ 394,446
Gross Amount Offset
Net Amount Recognized	375,980	$ 388,166	$ 394,446
Financial Instruments	$ (375,980)	$ (388,166)	$ (394,446)
Financial Collateral Pledged