Stock Based Compensation (Narrative) (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation	$ 735
All award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share issued	500,000
Shares granted	100,000
Outstanding, Aggregate Intrinsic Value	$ 1,000
All award [Member] \| Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share granted not exceed	$ 100
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	40,000
Vesting period	5 years
Total unrecognized compensation cost	$ 1,021
Total unrecognized compensation cost, weighted average period	3 years 6 months 18 days
Percentage of RSU granted to employees per year	20.00%
Performance Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	48,600
Total unrecognized compensation cost	$ 697
Total unrecognized compensation cost, weighted average period	2 years 6 months

Percentage of RSU granted to employees per year.

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Share granted not exceed.

+ References

No definition available.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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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.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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- Definition

Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

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