Stock-Based Compensation - Employee Stock Purchase Plan ("ESPP") - Additional Information (Detail) - Employee Stock Purchase Plan [Member]	6 Months Ended
Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of fair market value to determine purchase price	85.00%
Offering period	6 months
Rate of discount on fair market value of common stock under ESPP	15.00%

Discount rate from fair value on offering date that participants pay for shares.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration