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Stock-based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 6 Months Ended | 12 Months Ended | 30 Months Ended
--- | --- | --- | --- | ---
Aug. 03, 2021 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Weighted-average grant date fair value (in dollars per share) |  |  |  |  | $ 0.98 | $ 0.68 |
Fair value of options vested |  |  |  | $ 7,100 | $ 1,400 | $ 200 |
Intrinsic value of stock options exercised |  |  |  | 67,100 |  |  |
Unrecognized stock-based compensation expense |  |  |  | 6,300 |  |  | $ 6,300
Compensation cost |  |  |  | 77,684 | $ 8,711 | 2,702 |
OptoGration, Inc. |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Compensation cost |  |  |  | $ 6,100 |  |  |
Contingent stock consideration | $ 22,000 |  |  |  |  |  |
2020 Plan |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Shares authorized for issuance (in shares) |  |  |  | 36,588,278 |  |  | 36,588,278
Awards granted (in shares) |  |  |  |  | 0 |  |
Restricted stock awards and restricted stock units | Share-based Payment Arrangement, Employee |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Granted (in shares) |  |  |  |  |  |  | 0
Award vesting period (in years) |  |  | 4 years |  |  |  |
Unrecognized compensation expense, period for recognition |  |  |  | 6 months 10 days |  |  |
Fair value of restricted stock vested |  |  |  | $ 1,000 | $ 2,200 | $ 2,500 |
Unrecognized stock-based compensation expense for restricted stock |  |  |  | $ 700 |  |  | $ 700
Restricted stock awards and restricted stock units | Share-based Payment Arrangement, Nonemployee |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Granted (in shares) |  |  |  | 14,130,298 |  |  |
Unrecognized compensation expense, period for recognition |  |  |  | 1 year 9 months 29 days |  |  |
Fair value of restricted stock vested |  |  |  | $ 32,800 |  |  |
Unrecognized stock-based compensation expense for restricted stock |  |  |  | $ 203,500 |  |  | $ 203,500
Restricted stock awards and restricted stock units | First Anniversary of Grant Date | Share-based Payment Arrangement, Employee |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period (in years) |  | 1 year |  |  |  |  |
Award vesting percentage |  |  | 25.00% |  |  |  |
Restricted stock awards and restricted stock units | Monthly Vesting | Share-based Payment Arrangement, Employee |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period (in years) |  |  | 36 months |  |  |  |
Award vesting percentage |  |  | 75.00% |  |  |  |
Stock options |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Unrecognized compensation expense, period for recognition |  |  |  | 1 year 25 days |  |  |
Stock options | 2015 Plan |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  | 4 years |  |  |
Award expiration period (in years) |  |  |  | 10 years |  |  |
Stock options | First Anniversary of Grant Date |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  | 1 year |  |  |
Stock options | First Anniversary of Grant Date | 2015 Plan |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting percentage |  |  |  | 25.00% |  |  |
Stock options | Monthly Vesting | 2015 Plan |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  | 36 months |  |  |
Award vesting percentage |  |  |  | 75.00% |  |  |
Fixed value equity awards | Share-based Payment Arrangement, Employee | 2020 Plan |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  | 4 years |  |  |
Compensation cost |  |  |  | $ 3,800 |  |  |

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