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SUBSEQUENT EVENTS (Details) (USD $) In Thousands, except Share data in Millions, unless otherwise specified | 3 Months Ended | 0 Months Ended | 3 Months Ended |
--- | --- | --- | --- | ---
Mar. 31, 2013 | Mar. 31, 2012 | May 02, 2013 Subsequent event Series A preferred stock | Mar. 31, 2013 Subsequent event Stock Repurchase Common stock | May 02, 2013 Subsequent event Dividend declared Common stock | May 02, 2013 Subsequent event Dividend declared Series A preferred stock
Subsequent events |  |  |  |  |  |
Dividend payable |  |  |  |  | $ 0.15 | $ 20.00
Number of shares of common stock into which preferred stock were mandatorily converted |  |  | 5.6 |  |  |
Repurchase of common stock | $ 87,000 | $ 100,978 |  | $ 27,100 |  |

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