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Income Taxes - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Effective Income Tax Rate Reconciliation, Percent | 1.00% | 28.00% | 12.00%
Deferred tax liabilities, net | $ (58,010) | $ (74,179) |
Valuation allowance, deferred tax asset, increase (decrease), amount | (53,697) | (838) | $ (142,739)
Revision of Prior Period, Adjustment |  |  |
Deferred tax liabilities, net | 117,000 |  |
Valuation allowance, deferred tax asset, increase (decrease), amount | 117,000 |  |
Undistributed Earnings of Foreign Subsidiaries and Foreign Corporate Joint Ventures [Member] |  |  |
Undistributed earnings of foreign subsidiaries | $ 18,100 | $ 13,700 |

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