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Stockholders' Equity Stockholders' Equity (Tables) | 6 Months Ended
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Jun. 30, 2017
Stockholders' Equity Note [Abstract] |
Schedule of Share Repurchases | Our repurchase activity is as follows:
| Six Months Ended June 30, | Inception to date
| 2017 | 2016
Program | Shares | Total $ | $ per share | Shares | Total $ | $ per share | Shares | Total $ | $ per share
Open market | 8,676 |  | $ | 283,654 |  | $ | 32.69 |  | 10,230 |  | $ | 265,402 |  | $ | 25.94 |  | 3,843,495 |  | $ | 61,232,115 |  | $ | 15.93 |
401(k) | 258,051 |  | 9,083,606 |  | 35.20 |  | 274,147 |  | 6,967,393 |  | 25.41 |  | 6,340,494 |  | 74,816,326 |  | 11.80 |
Directors and employees | 30,158 |  | 1,066,450 |  | 35.36 |  | 17,128 |  | 440,828 |  | 25.74 |  | 1,903,790 |  | 16,730,059 |  | 8.79 |
Total | 296,885 |  | $ | 10,433,710 |  | $ | 35.14 |  | 301,505 |  | $ | 7,673,623 |  | $ | 25.45 |  | 12,087,779 |  | $ | 152,778,500 |  | $ | 12.64 |
Schedule of Dividends Payable | Our recent dividends are as follows:
Declaration Date | Record Date | Payment Date | Dividend per Share
May 24, 2016 | June 10, 2016 | July 1, 2016 | $ | 0.11 |
November 9, 2016 | December 2, 2016 | December 23, 2016 | $ | 0.13 |
May 16, 2017 | June 9, 2017 | July 7, 2017 | $ | 0.13 |

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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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