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Share-Based Payments (Tables) | 3 Months Ended
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Mar. 31, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Summary of Grants of RSUs | The following table summarizes the grants of RSUs during the three months ended March 31, 2013:
Type |  | Date |  |  | Shares |  |  | RSUs |  |  | Estimate Fair Value on Grant Date |  |  | Initial Vesting |  |  | Final Vesting |
Grant |  |  | February 2013 |  |  |  | 20,000 |  |  |  | — |  |  | $ | 352 |  |  |  | December 2013 |  |  |  | December 2015 |
Grant |  |  | February 2013 |  |  |  | — |  |  |  | 180,000 |  |  | $ | 3,166 |  |  |  | December 2013 |  |  |  | December 2015 |
Total |  |  |  |  |  |  | 20,000 |  |  |  | 180,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Summary of Expected Restricted Common Stock and RSU Vesting Dates | Below is a summary of expected restricted common stock and RSU vesting dates as of March 31, 2013.
Vesting Date |  | Shares Vesting |  |  | RSU Vesting |  |  | Total Awards |
April 2013 |  |  | 2,505 |  |  |  | 834 |  |  |  | 3,339 |
July 2013 |  |  | 3,273 |  |  |  | 834 |  |  |  | 4,107 |
October 2013 |  |  | 1,189 |  |  |  | 416 |  |  |  | 1,605 |
December 2013 |  |  | 6,664 |  |  |  | 59,993 |  |  |  | 66,657 |
January 2014 |  |  | 1,564 |  |  |  | 93,335 |  |  |  | 94,899 |
March 2014 |  |  | — |  |  |  | 6,667 |  |  |  | 6,667 |
April 2014 |  |  | 1,568 |  |  |  | 417 |  |  |  | 1,985 |
July 2014 |  |  | 2,100 |  |  |  | — |  |  |  | 2,100 |
December 2014 |  |  | 6,668 |  |  |  | 59,999 |  |  |  | 66,667 |
January 2015 |  |  | 796 |  |  |  | — |  |  |  | 796 |
March 2015 |  |  | — |  |  |  | 6,667 |  |  |  | 6,667 |
April 2015 |  |  | 800 |  |  |  | — |  |  |  | 800 |
July 2015 |  |  | 500 |  |  |  | — |  |  |  | 500 |
December 2015 |  |  | 6,668 |  |  |  | 60,008 |  |  |  | 66,676 |
|  |  | 34,295 |  |  |  | 289,170 |  |  |  | 323,465 |

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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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- Definition Tabular disclosure of the total compensation cost related to nonvested awards not yet recognized and the weighted-average period over which it is expected to be recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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