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Repositioning and Other Changes (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Restructuring Cost and Reserve [Line Items] |  |  |
Repositioning costs incurred | $ 7,318 | $ 1,275 | $ 0
Cumulative Amount Incurred through December 31, 2021 | 8,593 |  |
Severance and termination benefits |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Repositioning costs incurred | 185 | 0 |
Cumulative Amount Incurred through December 31, 2021 | 185 |  |
Office space consolidation |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Repositioning costs incurred | 2,742 | 0 |
Cumulative Amount Incurred through December 31, 2021 | 2,742 |  |
Professional services |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Repositioning costs incurred | 4,391 | $ 1,275 |
Cumulative Amount Incurred through December 31, 2021 | $ 5,666 |  |

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