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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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