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Stockholders' Equity (Tables) | 6 Months Ended
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Jun. 30, 2016
Stockholders' Equity Note [Abstract] |
Schedule of Dividends Payable [Table Text Block] | The following table provides information about our per share dividends:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2016 |  | 2015 |  | 2016 |  | 2015
Per common share cash dividend declared for the period | $ | 0.125 |  |  | $ | 0.49 |  |  | $ | 0.250 |  |  | $ | 0.97 |
Per common share cash dividend paid in the period | $ | 0.125 |  |  | $ | 0.48 |  |  | $ | 0.250 |  |  | $ | 0.93 |

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- Definition Tabular disclosure of all or some of the information related to dividends declared, but not paid, as of the financial reporting date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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