Share Based Compensation (Details) $ / shares in Units, $ in Thousands	6 Months Ended
Jun. 30, 2017 USD ($) $ / shares shares
Share Based Compensation [Abstract]
Shares Outstanding, December 31, 2016 \| shares	145,894
Shares Granted \| shares
Shares Exercised \| shares	(36,517)
Shares Forfeited \| shares
Shares Expired \| shares	(10,127)
Shares Outstanding, June 30, 2017 \| shares	99,250
Shares Exercisable, June 30, 2017 \| shares	99,250
Weighted-Average Exercise Price Outstanding, December 31, 2016 \| $ / shares	$ 7.85
Weighted-Average Exercise Price Granted \| $ / shares
Weighted-Average Exercise Price Exercised \| $ / shares	10.29
Weighted-Average Exercise Price Forfeited \| $ / shares
Weighted-Average Exercise Price Expired \| $ / shares	11.50
Weighted-Average Exercise Price Outstanding, June 30, 2017 \| $ / shares	6.97
Weighted-Average Exercise Price Exercisable, June 30, 2017 \| $ / shares	$ 6.97
Weighted-Average Remaining Term Outstanding, June 30, 2017	2 years 7 months 24 days
Weighted-Average Remaining Term Exercisable, June 30, 2017	2 years 7 months 24 days
Aggregate Intrinsic Value, Outstanding, June 30, 2017 \| $	$ 691,773
Aggregate Intrinsic Value, Exercisable, June 30, 2017 \| $	$ 691,773

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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