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Summary of Significant Accounting Policies - Additional Information (Detail) $ in Thousands | 3 Months Ended | 9 Months Ended
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Mar. 31, 2018 USD ($) | Sep. 30, 2019 Facility | Sep. 30, 2018 USD ($)
Organization Consolidation And Presentation Of Financial Statements [Abstract] |  |  |
Number of facilities for manufacture and distribution of products | Facility |  | 4 |
Proceeds from the sale of discontinued operations being held in a related indemnity escrow account | $ | $ 2,700 |  | $ 2,730
Tax benefit recognized |  | Greater than 50% |

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- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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