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Commitments and Contingencies (Detail) - USD ($) | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Indemnification Obligation |  |
Loss Contingencies [Line Items] |  |
Litigation matters, liabilities | $ 0 | $ 0
Legal Matters |  |
Loss Contingencies [Line Items] |  |
Litigation matters, liabilities | $ 0 | $ 0

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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 Amount of loss contingency liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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- Details
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- Details
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