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Acquisitions - Narrative (Details) - USD ($) |  |  |  |  | 9 Months Ended
--- | --- | --- | --- | --- | ---
Sep. 09, 2020 | Sep. 08, 2020 | Apr. 01, 2020 | Jul. 23, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Business Acquisition [Line Items] |  |  |  |  |  |
Cash payments for acquisition |  |  |  |  | $ 26,857,000 | $ 11,840,000
Taurus |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Consideration transferred in acquisition | $ 5,100,000 |  |  |  |  |
Cash payments for acquisition | 4,600,000 |  |  |  |  |
Holdback from acquisition | 500,000 |  |  |  |  |
Contingent earn-out payment | 0 |  |  |  |  |
Tangible assets acquired | 50,000.00 |  |  |  |  |
Taurus | Contingent Value Right for Internal Research and Development |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Contingent earn-out payment | 4,500,000 |  |  |  |  |
Taurus | Contingent Value Right on Product Revenues |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Contingent earn-out payment | $ 25,000,000.0 |  |  |  |  |
Proportion of milestone payments (as a percent) | 25.00% |  |  |  |  |
Taurus | Core Technology |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite-lived intangible assets acquired | $ 5,000,000.0 |  |  |  |  |
Weighted-average estimated useful life of finite-lived intangible assets acquired | 10 years |  |  |  |  |
xCella |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Consideration transferred in acquisition |  | $ 7,100,000 |  |  |  |
Holdback from acquisition |  | 500,000 |  |  |  |
Contingent earn-out payment |  | 0 |  |  |  |
Tangible assets acquired |  | 200,000 |  |  |  |
Liabilities assumed |  | (100,000) |  |  |  |
Deferred tax liability acquired in connection with the acquired intangibles |  | (800,000) |  |  |  |
xCella | Earnout Rights for Partner Research and Development |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Contingent earn-out payment |  | 5,000,000.0 |  |  |  |
xCella | Milestone Payments |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Contingent earn-out payment |  | $ 25,750,000 |  |  |  |
Proportion of milestone payments (as a percent) |  | 25.00% |  |  |  |
xCella | Core Technology |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite-lived intangible assets acquired |  | $ 7,800,000 |  |  |  |
Weighted-average estimated useful life of finite-lived intangible assets acquired |  | 15 years |  |  |  |
Icagen |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Consideration transferred in acquisition |  |  | $ 19,900,000 |  |  |
Cash payments for acquisition |  |  | 15,100,000 |  |  |
Contingent earn-out payment |  |  | 25,000,000.0 |  |  |
Tangible assets acquired |  |  | 1,800,000 |  |  |
Liabilities assumed |  |  | (800,000) |  |  |
Finite-lived intangible assets acquired |  |  | $ 12,800,000 |  |  |
Weighted-average estimated useful life of finite-lived intangible assets acquired |  |  | 9 years 8 months 12 days |  |  |
Acquisition related costs |  |  | $ 0 |  |  |
Fair value of contingent earn-out payment |  |  | 4,800,000 |  |  |
Deferred revenue acquired |  |  | (3,700,000) |  |  |
Deferred tax assets acquired |  |  | 800,000 |  |  |
Goodwill acquired |  |  | 9,000,000.0 |  |  |
Icagen | Core Technology |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite-lived intangible assets acquired |  |  | $ 1,700,000 |  |  |
Weighted-average estimated useful life of finite-lived intangible assets acquired |  |  | 10 years |  |  |
Discount rate used to value intangible assets acquired (as a percent) |  |  | 17.00% |  |  |
Icagen | Customer Relationships |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite-lived intangible assets acquired |  |  | $ 11,100,000 |  |  |
Weighted-average estimated useful life of finite-lived intangible assets acquired |  |  | 9 years 7 months 6 days |  |  |
Discount rate used to value intangible assets acquired (as a percent) |  |  | 17.00% |  |  |
Ab Initio |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Consideration transferred in acquisition |  |  |  | $ 12,000,000.0 |  |
Cash payments for acquisition |  |  |  | 11,860,000 |  |
Tangible assets acquired |  |  |  | 30,000.00 |  |
Liabilities assumed |  |  |  | (80,000.00) |  |
Deferred tax liability acquired in connection with the acquired intangibles |  |  |  | (150,000) |  |
Acquisition related costs |  |  |  | 0 |  |
Goodwill acquired |  |  |  | 4,810,000 |  |
Cash holdback for potential indemnification claims |  |  |  | 150,000 |  |
Ab Initio | Core Technology |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite-lived intangible assets acquired |  |  |  | $ 7,400,000 |  |
Weighted-average estimated useful life of finite-lived intangible assets acquired |  |  |  | 20 years |  |
Discount rate used to value intangible assets acquired (as a percent) |  |  |  | 12.00% |  |

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- Definition Amount of deferred tax asset attributable to deductible temporary differences and carryforwards acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472 + Details
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