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

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

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Income tax expense (benefit)	$ 247	$ 169	$ (2,534)	$ (9,901)
Effective income tax rate (as a percent)	6.00%	24.00%	115.00%	362.00%
U.S. federal statutory rate (as a percent)			34.00%
State
Net operating losses					$ 61,000
Tax credit carryforwards					2,800
Federal
Net operating losses					59,500
Tax credit carryforwards					$ 7,100