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Interest Income and Other (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Other Income and Expenses [Abstract] |  |  |
Interest income | $ 3,735 | $ 4,761 | $ 5,448
Foreign exchange transaction gains (losses), net | (4,099) | (3,056) | 261
Other | (48) | 356 | (732)
Total | $ (412) | $ 2,061 | $ 4,977

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