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Restructuring Costs (Details) - USD ($) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Mar. 09, 2021 | Dec. 31, 2019 | Dec. 31, 2020
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring cost | $ 3,600 | $ 9,600 |
Restructuring Cost Liabilities |  | 0 | $ 0
Cost of revenue, excluding depreciation and amortization |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring cost | 3,200 | 4,400 |
General and administrative |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring cost |  | 2,200 |
Sales and marketing |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring cost | 300 | 1,600 |
Research and development |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring cost | $ 100 | $ 1,400 |

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- Definition The amount of liabilities related to restructuring. + References No definition available. + Details
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- Definition Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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