DERIVATIVES - Additional Information (Details) (USD $)	3 Months Ended
	Mar. 31, 2014 entity	Dec. 31, 2013 entity
Derivative [Line Items]
Maximum derivative notional position as a percentage of assets	35.00%
Maximum credit exposure as a percentage of capital	3.00%
Maximum single counterparty credit risk exposure	$ 20,000,000
Inerest-bearing deposit liability	936,958,000	913,324,000
Number of counterparties	9	9
Outstanding liability from counterparty contracts	10,100,000	9,300,000
Interest-bearing deposit swap	200,000,000	100,000,000
Credit Derivative Term	5 years
Fixed to floating interest rate swap [Member]
Derivative [Line Items]
Derivative Assets (Liabilities), at Fair Value, Net	200,000	800,000
Accrued interest and other liabilities | Fair Value Hedges
Derivative [Line Items]
Inerest-bearing deposit liability	$ 673,300,000	$ 561,600,000