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Stockholders' Equity Stockholders' Equity (Tables) | 6 Months Ended
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Jun. 30, 2016
Stockholders' Equity Note [Abstract] |
Schedule of Share Repurchases | Our repurchase activity is as follows:
| Six months ended June 30, | Inception to date
| 2016 | 2015
Program | Shares | Total $ | $ per share | Shares | Total $ | $ per share | Shares | Total $ | $ per share
Open market | 10,230 |  | $ | 265,402 |  | $ | 25.94 |  | — |  | $ | — |  | $ | — |  | 3,679,451 |  | $ | 56,773,205 |  | $ | 15.43 |
401(k) | 274,147 |  | 6,967,393 |  | 25.41 |  | 264,535 |  | 6,177,178 |  | 23.35 |  | 5,816,089 |  | 57,824,264 |  | 9.94 |
Directors and employees | 17,128 |  | 440,828 |  | 25.74 |  | 11,249 |  | 267,453 |  | 23.78 |  | 1,860,688 |  | 15,280,991 |  | 8.21 |
Total | 301,505 |  | $ | 7,673,623 |  | $ | 25.45 |  | 275,784 |  | $ | 6,444,631 |  | $ | 23.37 |  | 11,356,228 |  | $ | 129,878,460 |  | $ | 11.44 |
Schedule of Dividends Payable | Our recent dividends are as follows:
Declaration Date | Record Date | Payment Date | Dividend per Share
May 19, 2015 | June 12, 2015 | July 1, 2015 | $ | 0.11 |
October 29, 2015 | December 2, 2015 | December 23, 2015 | $ | 0.11 |
May 24, 2016 | June 10, 2016 | July 1, 2016 | $ | 0.11 |

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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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