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v3.20.4

Restructuring (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Oct. 31, 2019
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Percentage of workforce reduction |  |  |  |  | 5.00%
Restructuring expense | $ 2,530 | $ 0 | $ 2,530 | $ 0 |
Cost of revenue |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense | 28 |  |  |  |
Sales and marketing |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense | 1,790 |  |  |  |
Research and development |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense | 429 |  |  |  |
General and administrative |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense | 283 |  |  |  |
Employee severance and related payroll taxes |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense | 1,917 |  |  |  |
Employee severance and related payroll taxes | Cost of revenue |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense | 28 |  |  |  |
Employee severance and related payroll taxes | Sales and marketing |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense | 1,355 |  |  |  |
Employee severance and related payroll taxes | Research and development |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense | 340 |  |  |  |
Employee severance and related payroll taxes | General and administrative |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense | 194 |  |  |  |
Facilities closure expenses |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense | 524 |  |  |  |
Facilities closure expenses | Sales and marketing |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense | 435 |  |  |  |
Facilities closure expenses | Research and development |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense | 89 |  |  |  |
Legal fees |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense | 89 |  |  |  |
Legal fees | General and administrative |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense | $ 89 |  |  |  |

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