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Foreign Currency Transaction Exposure (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Currency Transaction Gains (Losses) [Line Items] |  |  |  |
Currency transaction (losses) gains, net | $ (3,772) | $ 1,789 | $ (4,381) | $ (3,649)
Operating loss |  |  |  |
Currency Transaction Gains (Losses) [Line Items] |  |  |  |
Currency transaction (losses) gains, net | (2,169) | 672 | (1,946) | (3,098)
Other non-operating expense (income), net |  |  |  |
Currency Transaction Gains (Losses) [Line Items] |  |  |  |
Currency transaction (losses) gains, net | $ (1,603) | $ 1,117 | $ (2,435) | $ (551)

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