COMMITMENTS, CONTINGENT LIABILITIES AND RESTRICTIONS (Details) (USD $)	Dec. 31, 2011	Dec. 31, 2010
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Total Off-balance Sheet Risks, Liability	$ 597,672,000	$ 467,081,000
Unused lines of credit	65,000,000
Federal Home Loan Bank unused borrowing capacity	424,400,000
Federal Reserve Bank unused borrowing capacity	16,400,000
Federal Reserve required average total reserve	28,500,000
Required deposit with Federal Reserve Bank of New York	2,000,000
Cash on hand available for reserves	26,500,000
Range of reasonably possible losses for such matters in the aggregate, beyond the existing recorded liability, lower range	0
Range of reasonably possible losses for such matters in the aggregate, beyond the existing recorded liability, upper range	2,000,000
Commitments to Extend Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Total Off-balance Sheet Risks, Liability	572,393,000	445,625,000
Standby Letters of Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Total Off-balance Sheet Risks, Liability	$ 25,279,000	$ 21,456,000