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Equity Incentive Plan - Summary of Stock-based Compensation Expense (Detail) - Groop Internet Platform Inc [Member] - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Share based compensation expense | $ 1,513 | $ 401 | $ 2,977 | $ 3,404
Research and Development [Member] |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Share based compensation expense | 172 | 29 | 229 | 768
Clinical Operations [Member] |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Share based compensation expense | 71 | 4 | 102 | 401
Selling and Marketing [Member] |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Share based compensation expense | 877 | 165 | 1,568 | 182
General and Administrative [Member] |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Share based compensation expense | $ 393 | $ 203 | $ 1,078 | $ 2,053

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