DERIVATIVES (Offsetting of Financial Assets) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Offsetting Assets [Line Items]
Gross Amounts of Recognized Assets	$ 278,733		$ 255,495
Gross Amounts Offset in the Statement of Financial Position	31,084		34,394
Net Amounts of Assets Presented in the Statement of Financial Position	247,649		221,101
Gross Amounts Not Offset in the Statement of Financial Position - Financial Instruments	10,040		3,992
Gross Amounts Not Offset in the Statement of Financial Position - Cash Collateral Received	2,420		47,706
Net Amount, Subject to Master Netting Arrangement or Similar Arrangement	235,189		169,403
Derivative Asset, Not Subject to Master Netting Arrangement	4,092	[1]	1,390	[1]
Gross Amounts of Recognized Assets, Total Derivatives Assets, Including Derivatives Not Subject to Master Netting Arrangement	282,825		256,885
Net Amounts of Assets Presented in the Statement of Financial Position, Total Derivatives Assets	251,741		222,491
Net Amount, Total Derivatives Assets	239,281		170,793
Gross Amounts of Recognized Assets, Total Financial Assets	282,825		256,885
Gross Amounts Offset in the Statement of Financial Position, Total Financial Assets	31,084		34,394
Net Amounts of Assets Presented in the Statement of Financial Position, Total Financial Assets	251,741		222,491
Gross Amounts Not Offset in the Statement of Financial Position - Financial Instruments, Total Financial Assets	10,040		3,992
Gross Amounts Not Offset in the Statement of Financial Position - Cash Collateral Received, Total Financial Assets	2,420		47,706
Net Amount, Total Financial Assets	239,281		170,793
Other derivative activities [Member]
Offsetting Assets [Line Items]
Gross Amounts of Recognized Assets	275,776	[2]	249,619	[2]
Gross Amounts Offset in the Statement of Financial Position	31,084	[2]	34,394	[2]
Net Amounts of Assets Presented in the Statement of Financial Position	244,692	[2]	215,225	[2]
Gross Amounts Not Offset in the Statement of Financial Position - Financial Instruments	10,040	[2]	3,992	[2]
Gross Amounts Not Offset in the Statement of Financial Position - Cash Collateral Received	2,420	[2]	47,706	[2]
Net Amount, Subject to Master Netting Arrangement or Similar Arrangement	232,232	[2]	163,527	[2]
Fair value hedges [Member]
Offsetting Assets [Line Items]
Gross Amounts of Recognized Assets	855		1,073
Gross Amounts Offset in the Statement of Financial Position	0		0
Net Amounts of Assets Presented in the Statement of Financial Position	855		1,073
Gross Amounts Not Offset in the Statement of Financial Position - Financial Instruments	0		0
Gross Amounts Not Offset in the Statement of Financial Position - Cash Collateral Received	0		0
Net Amount, Subject to Master Netting Arrangement or Similar Arrangement	855		1,073
Cash flow hedges [Member]
Offsetting Assets [Line Items]
Gross Amounts of Recognized Assets	2,102		4,803
Gross Amounts Offset in the Statement of Financial Position	0		0
Net Amounts of Assets Presented in the Statement of Financial Position	2,102		4,803
Gross Amounts Not Offset in the Statement of Financial Position - Financial Instruments	0		0
Gross Amounts Not Offset in the Statement of Financial Position - Cash Collateral Received	0		0
Net Amount, Subject to Master Netting Arrangement or Similar Arrangement	$ 2,102		$ 4,803

[1] Includes mortgage banking derivatives

[2] Includes customer-related and other derivatives