DERIVATIVE INSTRUMENTS (Textual) (Details) (USD $)	12 Months Ended								12 Months Ended																	1 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 Interest rate swap agreements	Dec. 31, 2012 Not Designated As Hedging Instrument	Dec. 31, 2011 Not Designated As Hedging Instrument	Dec. 31, 2012 Not Designated As Hedging Instrument Interest rate swap agreements	Dec. 31, 2011 Not Designated As Hedging Instrument Interest rate swap agreements	Dec. 31, 2012 Not Designated As Hedging Instrument Customer interest rate swap agreements	Dec. 31, 2011 Not Designated As Hedging Instrument Customer interest rate swap agreements	Dec. 31, 2010 Not Designated As Hedging Instrument Customer interest rate swap agreements	Dec. 31, 2012 Not Designated As Hedging Instrument Other Assets	Dec. 31, 2011 Not Designated As Hedging Instrument Other Assets	Dec. 31, 2012 Not Designated As Hedging Instrument Other Assets Interest rate swap agreements	Dec. 31, 2011 Not Designated As Hedging Instrument Other Assets Interest rate swap agreements	Dec. 31, 2012 Not Designated As Hedging Instrument Other Assets Customer interest rate swap agreements	Dec. 31, 2011 Not Designated As Hedging Instrument Other Assets Customer interest rate swap agreements	Dec. 31, 2012 Not Designated As Hedging Instrument Interest rate lock commitments	Dec. 31, 2011 Not Designated As Hedging Instrument Interest rate lock commitments	Dec. 31, 2012 Not Designated As Hedging Instrument Interest rate lock commitments Other Assets	Dec. 31, 2011 Not Designated As Hedging Instrument Interest rate lock commitments Other Assets	Dec. 31, 2012 Not Designated As Hedging Instrument Forward commitments to sell mortgage-backed securities	Dec. 31, 2011 Not Designated As Hedging Instrument Forward commitments to sell mortgage-backed securities	Dec. 31, 2012 Not Designated As Hedging Instrument Forward commitments to sell mortgage-backed securities Other Assets	Dec. 31, 2011 Not Designated As Hedging Instrument Forward commitments to sell mortgage-backed securities Other Assets	Dec. 31, 2008 Cash Flow Hedging Interest rate swap agreements	Dec. 31, 2012 Cash Flow Hedging Interest rate swap agreements Designated as Hedging Instrument	Dec. 31, 2011 Cash Flow Hedging Interest rate swap agreements Designated as Hedging Instrument	Dec. 31, 2010 Cash Flow Hedging Interest rate swap agreements Designated as Hedging Instrument
Derivative [Line Items]
Derivative instruments, gain reclassified from accumulated OCI into income, effective portion																											$ 0	$ 0	$ 5,745,000
Net loss on derivative instruments	40,000	193,000	2,900,000						(3,000)	(1,000)	(4,000)
Interest receivable				36,000
Interest payable				72,000
Pretax gain (loss) on termination of cash flow hedge, deferred																										20,800,000
Notional amount				50,000,000	179,781,000	195,025,000	0	50,000,000	12,149,000	47,240,000								59,932,000	38,985,000			107,700,000	58,800,000
Derivative assets												$ 1,619,000	$ 1,022,000	$ 0	$ 0	$ 87,000	$ 370,000			$ 1,837,000	$ 1,381,000			$ (305,000)	$ (729,000)