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Stock Based Compensation (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 USD ($) Integer shares | Dec. 31, 2016 shares
Share Based Compensation Arrangement by Share Based Payment Award Number of Plans | Integer | 2 |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 3 years |
Unrecognized compensation cost related to nonvested shares | $ | $ 1,216,882 |
Weighted average period related to compesation cost | 1 year 7 months 6 days |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 354,467 | 354,467
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost (in Dollars) | $ | $ 133 |
Employee Director Stock Option Plan 2009 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares) | 68,516 |
Equity Compensation Plan 2009 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares) | 53,431 |
Performance Shares [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number | 151,194 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 226,791 |
Restricted Stock [Member] |  |
Unrecognized compensation cost related to nonvested shares | $ | $ 1,920,809 |
Weighted average period related to compesation cost | 2 years |

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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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