Stock-Based Compensation (Stock Option Activity) (Details)	6 Months Ended
Jun. 30, 2019 $ / shares shares
Stock-Based Compensation [Abstract]
Balance \| shares	16,450
Exercised \| shares	5,300
Balance \| shares	11,150
Beginning balance, Weighted Average Exercise Price \| $ / shares	$ 10.31
Exercised, Weighted Average Exercise Price \| $ / shares	10.31
Ending balance, Weighted Average Exercise Price \| $ / shares	$ 10.31

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

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

+ References

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- Definition

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

+ References

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- Definition

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

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-Section S99
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