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SUBSEQUENT EVENTS (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
6 Months Ended 6 Months Ended
Jun. 30, 2012
Jul. 15, 2012
Dividend declared
Common Stock
Jul. 31, 2012
Dividend declared
Series A preferred stock
Jun. 30, 2012
Common stock repurchase
Common Stock
Subsequent events        
Dividend payable (in dollars per share)   $ 0.10 $ 20.00  
Repurchase of common stock $ 149,950     $ 28,800