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Stockholders' Equity Stockholders' Equity (Tables) | 9 Months Ended
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Sep. 30, 2017
Stockholders' Equity Note [Abstract] |
Schedule of Share Repurchases | Our repurchase activity is as follows:
| Nine Months Ended September 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 |  | 151,266 |  | $ | 4,041,685 |  | $ | 26.72 |  | 3,843,495 |  | $ | 61,232,115 |  | $ | 15.93 |
401(k) | 364,839 |  | 12,706,655 |  | 34.83 |  | 402,623 |  | 10,531,020 |  | 26.16 |  | 6,447,282 |  | 78,439,375 |  | 12.17 |
Directors and employees | 33,845 |  | 1,193,337 |  | 35.26 |  | 21,367 |  | 558,532 |  | 26.14 |  | 1,907,477 |  | 16,855,945 |  | 8.84 |
Total | 407,360 |  | $ | 14,183,646 |  | $ | 34.82 |  | 575,256 |  | $ | 15,131,237 |  | $ | 26.30 |  | 12,198,254 |  | $ | 156,527,435 |  | $ | 12.83 |
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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