COMMITMENTS, CONTINGENT LIABILITIES AND RESTRICTIONS (Details) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance Sheet Risks, Liability	$ 608,395,000	$ 597,672,000
Range of reasonably possible losses in the aggregate, beyond the existing recorded liability, lower range	0
Range of reasonably possible losses in the aggregate, beyond the existing recorded liability, upper range	1,000,000
Commitments to Extend Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance Sheet Risks, Liability	583,856,000	572,393,000
Standby Letters of Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance Sheet Risks, Liability	$ 24,539,000	$ 25,279,000