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Acquisition - Summary of Consideration for Acquisition (Detail) (Parenthetical) - USD ($) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Business Acquisition [Line Items] |  |
Change in fair value | $ 941,000 | $ 941,000
Acquisition related liabilities | $ 1,600,000 | 1,600,000
Sonar Acquisition |  |
Business Acquisition [Line Items] |  |
Fair value of contingent consideration |  | $ 1,000,000.0

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- Definition Acquisition Related Liabilities. + References No definition available. + Details
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- Definition Business combination consideration change fair value. + 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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Namespace Prefix: | us-gaap_
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- Definition Fair value of contingent consideration in a business combination that is classified in shareholders' equity. + 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 (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Details
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Namespace Prefix: |
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Period Type: |