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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Income Tax Disclosure [Line Items]
Income tax expense	$ 2,203	$ 10,977	$ 439	$ 11,065
Effective Income Tax Rate, Continuing Operations	39.80%	35.90%	53.60%	42.60%
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	$ 788		$ 788		$ 788
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	579		579		579
Accrual for interest and penalties	$ 98		$ 98		$ 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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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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

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