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Balance Sheet Account Details - Contingent Liabilities (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Oct. 01, 2020 | Apr. 01, 2020
Contingent Liability [Roll Forward] |  |  |  |
Commercial rights at beginning of period | $ 8,942 | $ 12,542 |  |
Additional Contingent Liabilities | 41,800 |  |  |
Payments | (2,325) | (3,050) |  |
Fair Value Adjustment | 963 | (30) |  |
Repurchases | (247) | (520) |  |
Commercial rights at end of period | 49,133 | 8,942 |  |
Cydex |  |  |  |
Contingent Liability [Roll Forward] |  |  |  |
Commercial rights at beginning of period | 348 | 514 |  |
Additional Contingent Liabilities | 0 |  |  |
Payments | 0 | (50) |  |
Fair Value Adjustment | 160 | (116) |  |
Repurchases | 0 | 0 |  |
Commercial rights at end of period | 508 | 348 |  |
Metabasis |  |  |  |
Contingent Liability [Roll Forward] |  |  |  |
Commercial rights at beginning of period | 5,935 | 5,551 |  |
Additional Contingent Liabilities | 0 |  |  |
Payments | 0 | 0 |  |
Fair Value Adjustment | (1,867) | 904 |  |
Repurchases | (247) | (520) |  |
Commercial rights at end of period | 3,821 | 5,935 |  |
Crystal |  |  |  |
Contingent Liability [Roll Forward] |  |  |  |
Commercial rights at beginning of period | 2,659 | 6,477 |  |
Additional Contingent Liabilities | 0 |  |  |
Payments | (1,800) | (3,000) |  |
Fair Value Adjustment | (59) | (818) |  |
Repurchases | 0 | 0 |  |
Commercial rights at end of period | 800 | 2,659 |  |
Icagen |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Contingent consideration liability |  |  |  | $ 25,000
Contingent Liability [Roll Forward] |  |  |  |
Commercial rights at beginning of period | 0 | 0 |  |
Additional Contingent Liabilities | 4,800 |  |  |
Payments | (525) | 0 |  |
Fair Value Adjustment | 2,129 | 0 |  |
Repurchases | 0 | 0 |  |
Commercial rights at end of period | 6,404 | 0 |  |
Pfenex |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Contingent consideration liability per share (USD per share) |  |  | $ 2.00 |
Contingent consideration liability |  |  | $ 77,800 |
Contingent Liability [Roll Forward] |  |  |  |
Commercial rights at beginning of period | 0 | 0 |  |
Additional Contingent Liabilities | 37,000 |  |  |
Payments | 0 | 0 |  |
Fair Value Adjustment | 600 | 0 |  |
Repurchases | 0 | 0 |  |
Commercial rights at end of period | $ 37,600 | $ 0 |  |

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