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Project Summit - Additional Information (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 24 Months Ended | 27 Months Ended
--- | --- | --- | --- | --- | --- | ---
Oct. 31, 2019 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Dec. 31, 2020 USD ($) | Sep. 30, 2021 USD ($) | Dec. 31, 2021 employee
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring Charges |  | $ 50,432 | $ 48,371 | $ 129,686 | $ 128,715 |  | $ 372,679 |
Project Summit costs |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Planned workforce reductions |  | 95.00% |  | 95.00% |  |  | 95.00% |
Restructuring Charges | $ 450,000 |  |  | $ 129,686 |  | $ 194,396 |  |
Forecast | Project Summit costs |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Percentage of positions eliminated |  |  |  |  |  |  |  | 45.00%
Managerial and administrative workforce | employee |  |  |  |  |  |  |  | 700

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