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Share-Based Compensation (Summary of Income Tax Benefit Related to Share-Based Compensation) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Options	$ 300	$ 494	$ 601	$ 1,285
Restricted stock	57	432	219	705
Total	$ 357	$ 926	$ 820	$ 1,990

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- Definition

Tax benefit from share-based compensation related to options.

+ References

No definition available.

+ Details

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- Definition

Employee Service Share Based Compensation Tax (Expense) Benefit From Compensation Expense Restricted Stock

+ References

No definition available.

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- References

No definition available.

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

+ 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
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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