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Restructuring - Additional Information (Detail) $ in Thousands |  | 3 Months Ended | 9 Months Ended
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May 23, 2019 Position | Sep. 30, 2019 USD ($) | Sep. 30, 2019 USD ($)
Restructuring And Related Activities [Abstract] |  |  |
Number of positions reduced in global workforce | Position | 80 |  |
Percentage of reduction in global workforce | 36.00% |  |
Restructuring completion date |  |  | Dec. 31, 2019
Accelerated depreciation charges |  | $ 3,000 |
Estimated restructuring cost remaining |  | $ 754 | $ 754

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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 Amount of expected cost remaining for the specified restructuring cost. + References No definition available. + 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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- Definition Amount of accelerated depreciation charged against earnings associated with exit from or disposal of business activities or restructuring plan. + References No definition available. + Details
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