Commitments and Contingencies - Additional Information (Detail) - Spitfire Acquisition - Sales Milestone $ in Millions	1 Months Ended
Jul. 31, 2019 USD ($)
Commitments And Contingencies
Estimated future contingent consideration	$ 80.0
License agreement term	10 years

Amount of liability recognized arising from contingent consideration in a business combination.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant