DERIVATIVES AND HEDGING ACTIVITIES (Details Textual) (USD $)	12 Months Ended			3 Months Ended	1 Months Ended	3 Months Ended
	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2010 Swap [Member] Derivatives not designated as hedges: [Member] derivative	Jun. 30, 2010 Swap [Member] Derivatives not designated as hedges: [Member] Noninterest Expense [Member]	Mar. 31, 2010 Swap [Member] Derivatives not designated as hedges: [Member] Noninterest Expense [Member]
Derivative [Line Items]
Maximum length of time Company is currently hedging its exposure	6 years
Notional amount of forward starting swap		$ 40,000,000
Fair value of derivative instrument		22,000
Interest expense from OCI, related to cash flow hedges before tax	5,600,000
Number of interest rate swaps failing to qualify for hedge accounting				1
Interest rate swaps failing to qualify for hedge accounting				25,000,000
Interest rate swap, loss recognized						238,000
Interest rate swap, income statement location of expense reclassified						107,000
Interest rate swap, gain (loss) reclassified from OCI				191,000
Interest rate swap, gain recognized in earnings due to termination of swap					792,000
Customer related positions	$ 31,000,000		$ 25,100,000