Condensed Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Thousands  | 
Sep. 30, 2020  | 
Dec. 31, 2019  | 
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Allowance for doubtful accounts | $ 123 | $ 3,179 | 
| Common stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 | 
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- Definition Face amount or stated value per share of common stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
- References No definition available. 
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