Income Taxes Statutory Rate Reconciliation (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Income Tax Holiday, Termination Date	4 years
Income Tax Reconciliation, Tax Holidays	$ 6,000	$ 3,000	$ 1,000
Income Tax Holiday, Income Tax Benefits Per Share	$ 0.22	$ 0.11	$ 0.04
Income Tax Provision Reconcilation [Abstract]
Tax computed at statutory rate	$ 3,042	$ (5,136)	$ (6,602)
Foreign taxes	(13,710)	(7,583)	1,256
Credits	(625)	(169)	(282)
ASU 740-10 Release	(2,502)	0	0
Change in valuation allowance	11,250	13,338	5,872
Income Tax Expense (Benefit)	$ (2,545)	$ 450	$ 244

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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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-Publisher FASB
-Name Accounting Standards Codification
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Per share amount effect of the income tax benefit resulting from the income tax holidays granted by taxing jurisdictions.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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Foreign Tax Incentives Expiration Period

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Income Tax Provision Reconcilation [Abstract]

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