DERIVATIVE INSTRUMENTS (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Customer interest rate swap agreements [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	$ 11,010	$ 12,149
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	118,813	179,781
Not Designated as Hedging Instrument [Member] | Customer interest rate swap agreements [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	11,010	12,149
Not Designated as Hedging Instrument [Member] | Interest rate lock commitments [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	44,753	59,932
Not Designated as Hedging Instrument [Member] | Forward commitments to sell mortgage-backed securities [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	63,050	107,700
Other Assets [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	1,107	1,619
Other Assets [Member] | Not Designated as Hedging Instrument [Member] | Customer interest rate swap agreements [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	57	87
Other Assets [Member] | Not Designated as Hedging Instrument [Member] | Interest rate lock commitments [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	1,115	1,837
Other Assets [Member] | Not Designated as Hedging Instrument [Member] | Forward commitments to sell mortgage-backed securities [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	(65)	(305)
Other Liabilities [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities	(57)	(87)
Other Liabilities [Member] | Not Designated as Hedging Instrument [Member] | Customer interest rate swap agreements [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities	(57)	(87)
Other Liabilities [Member] | Not Designated as Hedging Instrument [Member] | Interest rate lock commitments [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities	0	0
Other Liabilities [Member] | Not Designated as Hedging Instrument [Member] | Forward commitments to sell mortgage-backed securities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities	$ 0	$ 0