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SUBSEQUENT EVENTS (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended			6 Months Ended		0 Months Ended	3 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jul. 30, 2012 Increased equity investment [Member]	Sep. 30, 2012 Dividend Declared [Member]
Subsequent Event [Line Items]
Preferred stock purchase USSI				$ 2,500		$ 2,500
Cumulative Percentage Ownership after All Transactions						94.40%
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions				92.00%		93.60%
fully diluted ownership				81.00%		85.10%
Common Stock, Dividends, Per Share, Declared	$ 0.035	$ 0.035	$ 0	$ 0.070	$ 0		$ 0.035

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- Definition

Cumulative Percentage Ownership after All Transactions [Line Items]

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fully diluted ownership

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- Definition

USSI preferred stock purchase

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

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- Definition

Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section H

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