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Restructuring - Additional Information (Detail) - Position |  | 12 Months Ended
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May 23, 2019 | Dec. 31, 2020
Restructuring And Related Activities [Abstract] |  |
Number of positions reduced in global workforce | 80 |
Percentage of reduction in global workforce | 36.00% |
Restructuring completion date |  | Dec. 31, 2020

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- Definition Date the exit and disposal activities were completed or are expected to be completed, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(a)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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- Definition The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s). + References No definition available. + Details
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