STOCK REPURCHASE (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Equity [Abstract]
Gain on repurchase of preferred stock	$ 401	$ 2,070	$ 0	$ 0	$ 2,471	$ 0	$ 0