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Fair Value Measurements - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2019 USD ($)
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Warrant liability | $ 0
Maximum maturity period of cash and cash equivalents | 90 days
Maximum maturity period of short-term investments | 1 year
Maximum [Member] |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Maturity period of securities | 1 year

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- Definition Maximum maturity period of cash and cash equivalents. + References No definition available. + Details
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- Definition Maximum maturity period of short term investments. + References No definition available. + Details
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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. + References No definition available. + Details
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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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Period Type: | instant

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