STOCK-BASED COMPENSATION PLANS (Details 6) (Restricted stock, USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Restricted stock
Number of Shares
Balance at the beginning of the period (in shares)	34,983	49,557
Granted (in shares)	40,727	13,333
Vested (in shares)	(33,172)	(27,907)
Balance at the end of the period (in shares)	40,870	34,983
Weighted Average Grant Date Fair Value
Balance at the beginning of the period (in dollars per share)	$ 12.00	$ 8.60
Granted (in dollars per share)	$ 7.44	$ 17.30
Vested (in dollars per share)	$ 10.10	$ 8.50
Balance at the end of the period (in dollars per share)	$ 7.84	$ 12.00