DERIVATIVES DERIVATIVES - Disclosure by Type of Financial Instrument (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Gross amounts of recognized liabilities	$ 13,428	$ 14,431
Derivative Liability, Fair Value, Gross Asset	(10,470)	(10,196)
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	2,958	4,235
Fair Value Hedges | Pay fixed interest rate swaps with counterparty | Accrued interest and other liabilities
Derivatives, Fair Value [Line Items]
Gross amounts of recognized liabilities	762	865
Derivative Liability, Fair Value, Gross Asset	0	(663)
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	762	202
Fair Value Hedges | Matched interest rate swaps | Accrued interest and other liabilities
Derivatives, Fair Value [Line Items]
Gross amounts of recognized liabilities	12,666	13,566
Derivative Liability, Fair Value, Gross Asset	(10,470)	(9,533)
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	$ 2,196	$ 4,033