SHAREHOLDER PROTECTION RIGHTS PLAN (Details) (USD $)	12 Months Ended
	Dec. 31, 2012
SHAREHOLDER PROTECTION RIGHTS PLAN [Abstract]
Number of rights distributed for each share of common stock outstanding	1
Percentage of common stock owned by each person per the tender offer commenced (in hundredths)	20.00%
Period rights will become exercisable	10 days
Number of shares entitled to be purchased by each right (in shares)	1
Exercise price per stock (in dollars per share)	$ 75
Redemption price per right ( in dollars per share)	$ 0.01
Expiration period from date of issuance	10 years