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Goodwill and Intangible Assets, Net - Additional Information (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2019 USD ($) reporting_unit | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Goodwill [Line Items] |  |  |  |
Accumulated goodwill impairment losses |  | $ 43,643 | $ 43,643 |
Impairment of goodwill | $ 178 | 9,635 | 87,862 | $ 0
Number of reporting units closed | reporting_unit | 2 |  |  |
Loss on abandonment of assets |  | 4,442 | 3,071 | 20,928
Amortization expense |  | $ 7,593 | 7,920 | 11,666
Trans Ova |  |  |  |
Goodwill [Line Items] |  |  |  |
Impairment of goodwill |  |  | $ 29,642 |
Patents, developed technologies and know-how |  |  |  |
Goodwill [Line Items] |  |  |  |
Loss on abandonment of assets |  |  |  | $ 16,027

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