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Equity Awards and Instruments - Summary of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Stock-based compensation expense | $ 12,033 | $ 1,559 | $ 21,101 | $ 3,212 |
Stock-based compensation expense accrued | 6,169 |  | 6,169 |  | $ 6,835
Cost of Revenues |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Stock-based compensation expense | 207 | 79 | 450 | 175 |
Cost of Revenues | Subscriptions and licenses |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Stock-based compensation expense | 410 | 19 | 499 | 47 |
Research and development |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Stock-based compensation expense | 4,887 | 536 | 8,842 | 1,155 |
Selling and marketing |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Stock-based compensation expense | 1,515 | 404 | 2,303 | 804 |
General and administrative |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Stock-based compensation expense | 5,014 | 521 | 9,007 | 1,031 |
Stock option expense |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Stock-based compensation expense | 723 | 1,422 | 1,721 | 2,956 |
Restricted stock and restricted stock units (“RSUs”) expense |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Stock-based compensation expense | 4,961 | 37 | 6,458 | 37 |
Stock grants expense |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Stock-based compensation expense | 450 | 100 | 450 | 219 |
Bonus Plan expense |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Stock-based compensation expense | 5,471 | 0 | 11,595 | 0 |
ESPP expense |  |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |
Stock-based compensation expense | $ 428 | $ 0 | $ 877 | $ 0 |

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