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STOCKHOLDERS' EQUITY AND EARNINGS PER SHARE (Details 2) (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
STOCKHOLDERS' EQUITY AND EARNINGS PER SHARE |  |  |
Common stock, shares outstanding | 143,367,652 |  | 137,630,896
Earnings per share calculations |  |  |
Net income | $ 76,741 | $ 72,091 |
Less: Preferred stock dividends |  | (1,714) |
Less: Earnings allocated to participating securities | (166) | (584) |
Basic EPS - income allocated to common stockholders | 76,575 | 69,793 |
Effect of dilutive securities: |  |  |
Restricted stock units | 80 | 36 |
Convertible preferred stock |  | 1,714 |
Diluted EPS - income allocated to common stockholders | $ 76,655 | $ 71,543 |
Number of Shares |  |  |
Weighted average shares outstanding | 141,962,000 | 137,648,000 |
Effect of dilutive securities on weighted average shares outstanding |  |  |
Stock options (in shares) | 79,000 | 51,000 |
Restricted stock units (in shares) | 447,000 | 242,000 |
Warrants (in shares) | 144,000 |  |
Convertible preferred stock (in shares) |  | 5,578,000 |
Total weighted average diluted shares outstanding | 142,632,000 | 143,519,000 |
Per Share Amounts |  |  |
Basic EPS - income allocated to common stockholders (in dollars per share) | $ 0.54 | $ 0.51 |
Diluted EPS - Income available to common stockholders (in dollars per share) | $ 0.54 | $ 0.50 |

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