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Fair Value Measurements - Additional Information (Details) - Measurement input, discount for lack of marketability | Dec. 31, 2020
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Minimum |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Equity securities, FV-NI, measurement input | 0.150
Maximum |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Equity securities, FV-NI, measurement input | 0.340
Weighted average |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Equity securities, FV-NI, measurement input | 0.248

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- Definition Value of input used to measure investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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Balance Type: | na
Period Type: | instant

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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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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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- Details
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- Details
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Namespace Prefix: |
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- Details
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Balance Type: |
Period Type: |