Effective Income Tax Rate Reconciliation, Decline of US Operating Results

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

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Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority.

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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 reasonable estimate for income tax expense for which accounting for tax effect for remeasurement of deferred tax asset from change in tax rate is incomplete pursuant to Tax Cuts and Jobs Act.

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Income Taxes (Details) $ in Thousands, $ in Millions	3 Months Ended		9 Months Ended
Income Taxes (Details) $ in Thousands, $ in Millions	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 MXN ($)
Income Tax Contingency [Line Items]
Provision for income taxes	$ 3,273	$ 2,831	$ 7,171	$ 10,070
Effective income tax rate			63.00%	32.00%
Income tax benefit, release of U.S. tax reserves				$ 1,700
Excess tax benefits related to vesting of certain stock-based compensation awards				$ 800
Provision for income taxes, decline of US operating results		$ 2,000
Foreign tax authority \| Mexico Tax Authority
Income Tax Contingency [Line Items]
Income tax assessment	$ 3,300		$ 3,300		$ 60