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Common Stock and Dividends (Tables) | 6 Months Ended
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Jun. 30, 2013
Stockholders' Equity Note [Abstract] |
Schedule of Dividends Declared And Paid | Dividends declared and paid on a per share basis were as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2013 |  | 2012 |  | 2013 |  | 2012
Dividends declared | $ | 0.07 |  |  | $ | 0.06 |  |  | $ | 0.14 |  |  | $ | 0.12 |
Dividends paid | 0.07 |  |  | 0.06 |  |  | 0.14 |  |  | 0.12 |

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