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Income Taxes [Line Items]

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Percentage Of Income Tax Recorded Relates To Valuation Allowance On Deferred Tax Assets

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount of deferred tax liability not recognized because of the exceptions to comprehensive recognition of deferred taxes related to undistributed earnings of foreign subsidiaries.

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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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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage 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 applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Percentage 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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

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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 other nondeductible expenses.

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

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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	Jan. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Taxes [Line Items]
Pre-tax loss		$ (43,288)	$ (11,967)	$ 5,923
Effective tax rate		11.20%	34.90%	32.40%
Corporate tax rates		(3.80%)	(0.30%)	0.90%
US federal income tax statutory rate		(21.00%)	(21.00%)	21.00%
Foreign income tax statutory rate		(2.20%)	6.80%	8.90%
Liability for uncertain tax positions taken on a foreign tax return		$ 800
Cash and cash equivalents held by foreign subsidiaries		27,500
Penalties and interest related to unrecognized tax benefits		100	$ 100
Income tax net operating loss carryforwards		41,600
Deferred tax assets related to net operating loss carryforwards		7,685
Unrecognized tax benefits that would impact effective tax rate		$ 800
Colorado, Missouri And West Virginia [Member] \| Minimum [Member]
Income Taxes [Line Items]
Corporate tax rates		4.00%
Colorado, Missouri And West Virginia [Member] \| Maximum [Member]
Income Taxes [Line Items]
Corporate tax rates		6.50%
United States [Member]
Income Taxes [Line Items]
Effective tax rate		(2.70%)
Canada [Member]
Income Taxes [Line Items]
Effective tax rate		24.00%
Percentage of the income tax recorded relates to valuation allowance on deferred tax assets		60.00%
Poland [Member]
Income Taxes [Line Items]
Effective tax rate		15.10%
Foreign income tax statutory rate		19.00%
United Kingdom [Member]
Income Taxes [Line Items]
Effective tax rate		0.00%
Foreign income tax statutory rate		19.00%
Mauritius [Member]
Income Taxes [Line Items]
Effective tax rate		15.20%
Foreign income tax statutory rate		3.00%
Mauritius [Member] \| Subsequent Event [Member]
Income Taxes [Line Items]
Effective tax rate	15.00%
Austria [Member]
Income Taxes [Line Items]
Effective tax rate		(7.90%)
Foreign income tax statutory rate		25.00%
Tax Act [Member]
Income Taxes [Line Items]
Tax expense for GILTI, net		$ 0	$ 500
Tax Act [Member] \| Maximum [Member]
Income Taxes [Line Items]
Tax expense for GILTI, net				$ 100