Basis of Presentation and Summary of Significant Accounting Policies - Foreign currency (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Foreign Currency Translation [Line Items] | |||
| Aggregate transaction gain (loss) | $ (0.5) | $ (0.5) | |
| Maximum | |||
| Foreign Currency Translation [Line Items] | |||
| Aggregate transaction gain (loss) | $ 0.1 | ||
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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| X | ||||||||||
- Definition Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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