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Derivative Instruments and Hedging Activities (Details) $ in Thousands, ¥ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Derivative [Line Items] |  |  |  |
Derivative, Notional Amount | ¥ |  | ¥ 70.7 |  |
Proceeds from Sale of Derivate Instruments | $ 10,200 |  |  |
Other Current Assets | Foreign Exchange Contract |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, Fair Value, Net |  |  | $ 390 | $ 0

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