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Stockholders' Equity - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity	$ 695,826	$ 757,631	$ 1,223,967	$ 1,439,768
Release of currency translation adjustments on liquidation of an international operation	(9,320)	0	0
Other currency translation adjustments	$ (4,000)	$ (3,600)
United Kingdom, Pounds
Accumulated Other Comprehensive Income (Loss) [Line Items]
Exchange rate strengthened (weakened)	(1.00%)	3.00%
Brazil, Brazil Real
Accumulated Other Comprehensive Income (Loss) [Line Items]
Exchange rate strengthened (weakened)	(7.00%)	(23.00%)
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity	$ (66,031)	$ (71,385)	$ (67,746)	$ (71,397)
Release of currency translation adjustments on liquidation of an international operation	$ (9,320)

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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