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Common Stock - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Common Stock, Voting Rights | Each share of common stock entitles the holder to one vote on all matters submitted to a vote of the Company’s stockholders. |
Dividends declared | $ 0 | $ 0
Common Stock Restriction Period | 4 years |
Fair value of shares, vested | $ 9,619 |
ESPP [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based awards, authorized for issuance | 0 |
ESPP [Member] | Maximum [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based awards, authorized for issuance | 1,092,532 |

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