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SHAREHOLDERS' EQUITY (Details) (USD $)	12 Months Ended
SHAREHOLDERS' EQUITY (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
SHAREHOLDERS' EQUITY [Abstract]
Minimum percentage of shareholders equity to book value of outstanding debt (in hundredths)	100.00%
Dividends Paid	$ 0	$ 0	$ 0
Stock repurchase program, authorized amount	150,000,000
Remaining authorized repurchase amount	$ 25,000,000

Equity impact of paid-in-kind dividends declared by an entity during the period for all classes of stock (common, preferred, etc.). This element includes paid and unpaid dividends declared during the period.

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