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Shareholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2015
Shareholders' Equity [Abstract] |
Schedule Of Dividends |
| Years ended December 31,
| 2015 |  | 2014 |  | 2013
Common stock | $ 0.200 |  | $ 0.200 |  | $ 0.200
7.250% Series B Preferred Stock | $ 1.812 |  | $ 1.812 |  | $ 1.812

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