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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Income Tax Disclosure [Line Items]
Income tax expense	$ 1,907	$ 1,764	$ 2,346	$ 12,829
Effective Income Tax Rate, Continuing Operations	47.50%	11.40%	48.60%	31.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%	35.00%	35.00%	35.00%
Liability for gross unrecognized tax benefits	$ 710		$ 710		$ 788
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	535		535		579
Accrual for interest and penalties	$ 89		$ 89		$ 86

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of unrecognized tax benefits.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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