SUBSEQUENT EVENTS (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended	3 Months Ended			9 Months Ended		0 Months Ended		3 Months Ended
	Jul. 30, 2012	Sep. 30, 2012	Mar. 31, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Nov. 01, 2012 Increased equity investment [Member]	Jul. 30, 2012 Increased equity investment [Member]	Sep. 30, 2012 Dividend Declared [Member]
Subsequent Event [Line Items]
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions	93.60%				92.00%
Preferred stock purchase USSI	$ 2,500				$ 2,500		$ 2,500
Cumulative Percentage Ownership after All Transactions							94.40%
fully diluted ownership							85.10%	83.20%
Common Stock, Dividends, Per Share, Declared		$ 0.035	$ 0.035	$ 0	$ 0.105	$ 0			$ 0.035