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Recent Accounting Standards (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Recent Accounting Standards [Abstract]
Excess tax benefit (deficiency) on stock based compensation recognized in provision for income taxes	$ (77)	$ 0	$ 587	$ 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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