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Simple Agreements for Future Equity (SAFE) - Summary Of Simple Agreements for Future Equity (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Simple Agreements For Future Equity [Line Items] |  |
Losses reported from changes in fair value in the statement of operations | $ (24,215) | $ (12,345)
SAFEs [Member] | Changes Measurement [Member] |  |
Simple Agreements For Future Equity [Line Items] |  |
Principal amount, inclusive of accrued interest and changes in fair value, if any | $ 0 | $ 122,588

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- References No definition available. + Details
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- Definition Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
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- Definition The difference between the carrying value and the sale price of equity securities, not separately or otherwise categorized as trading or available-for-sale. This element includes investments in which the entity holds a small ownership stake (generally, less than 20% of the shares outstanding) and cannot exert significant influence. + References No definition available. + Details
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- Details
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- Details
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