Business Combination - Narrative (Details) - Ab Initio Biotherapeutics, Inc. $ in Thousands	Jul. 23, 2019 USD ($)
Business Acquisition [Line Items]
Consideration transferred in acquisition	$ 12,000
Cash payments for acquisition	11,860
Cash holdback for potential indemnification claims	150
Tangible assets acquired	30
Liabilities assumed	(60)
Deferred tax liability acquired in connection with the acquired intangibles	(1,000)
Goodwill acquired	5,700
Core Technology
Business Acquisition [Line Items]
Finite-lived intangible assets acquired	$ 7,400
Discount rate used to value intangible assets acquired (as a percent)	12.00%
Weighted-average estimated useful life of finite-lived intangible assets acquired	20 years

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Discount Rate

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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Tangible Assets

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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The amount of indemnification assets (amounts to be reimbursed if and when certain assumed liabilities are paid) recognized at the acquisition date of a business combination.

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Amount of deferred tax liability attributable to taxable temporary difference assumed at the acquisition date that are classified as noncurrent.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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