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Recent Accounting Standards (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Recent Accounting Standards [Abstract]
Excess Tax Benefit On Stock Based Compensation Recognized in Provision for Income Taxes	$ 422	$ 0	$ 664	$ 0

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- Definition

Excess tax benefit or deficiency recorded to the provision for income taxes in the consolidated statement of income, instead of additional paid-in capital in the consolidated statement of income. Additionally, excess tax benefits will be classified as operating activities in in the consolidated statement of cash flow.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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