Income Tax Provision - Schedule of Information Related to Income Tax Expense (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Tax Disclosure [Abstract]
Domestic pre-tax income (loss)	$ 5,350	$ (22,032)	$ (4,022)	$ (35,243)
Foreign pre-tax income	31,070	41,895	66,745	57,208
Income tax provision	$ 10,753	$ 6,039	$ 18,536	$ 6,599
Effective tax rate	29.50%	30.40%	29.60%	30.00%
Impact of tax holidays on tax expense	$ 70	$ (857)	$ (742)	$ (1,820)
Earnings per share impact of tax holidays:
Basic		$ 0.02	$ 0.01	$ 0.04
Diluted		$ 0.02	$ 0.01	$ 0.04

Earnings per share impact of tax holidays.

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Impact of tax holidays on tax expense benefit.

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The amount of income taxes per basic share from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction.

+ References

No definition available.

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The amount of income taxes per diluted share from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction.

+ References

No definition available.

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
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-Topic 740
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The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324

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