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Subsequent Events - Additional Information (Detail) - 2013 Equity Plan - Class A - Employees, Officers, and Directors - shares | Apr. 30, 2021 | Mar. 31, 2021
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Subsequent Event [Line Items] |  |
Share-based compensation, stock authorized |  | 2,300,000
Subsequent Event |  |
Subsequent Event [Line Items] |  |
Share-based compensation, stock authorized | 2,750,000 |

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- Definition Number of shares authorized for issuance under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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Balance Type: | na
Period Type: | instant

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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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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- Details
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