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STOCKHOLDERS' EQUITY, Earnings (Loss) Per Share Calculations (Details) (USD $) In Thousands, except Per Share data | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010
Earning per share calculations [Abstract] |  |  |  |
Net income | $ 62,432 | $ 46,951 | $ 179,028 | $ 108,215
Less: preferred stock dividends and amortization of preferred stock discount | (1,714) | (6,732) | (5,143) | (19,017)
Net income available to common stockholders | 60,718 | 40,219 | 173,885 | 89,198
Effect of dilutive securities [Abstract] |  |  |  |
Stock options | 0 | 0 | 0 | 0
Restricted stock | 34 | 4 | 75 | 10
Convertible preferred stock | 1,714 | 0 | 5,143 | 0
Stock warrants | 0 | 0 | 0 | 0
Diluted EPS - income available to common stockholders | $ 62,466 | $ 40,223 | $ 179,103 | $ 89,208
Number of shares [Abstract] |  |  |  |
Weighted average shares outstanding (in shares) | 147,162 | 146,454 | 147,013 | 134,396
Effect of dilutive securities on weighted average shares outstanding [Abstract] |  |  |  |
Stock options (in shares) | 37 | 126 | 74 | 150
Restricted stock (in shares) | 683 | 430 | 681 | 344
Convertible preferred stock (in shares) | 5,571 | 0 | 5,571 | 11,947
Stock warrants (in shares) | 0 | 103 | 33 | 156
Total weighted average diluted shares outstanding (in shares) | 153,453 | 147,113 | 153,372 | 146,993
Per share amounts [Abstract] |  |  |  |
Basic EPS (in dollars per share) | $ 0.41 | $ 0.27 | $ 1.18 | $ 0.66
Diluted EPS (in dollars per share) | $ 0.41 | $ 0.27 | $ 1.17 | $ 0.61

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