Fair Value Measurements - Estimated Fair Value of Significant Unobservable Inputs (Details)	Dec. 31, 2022
Humabs | Clinical and Regulatory Milestones | Measurement Input, Discount Rate | Minimum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value contingent consideration measurement input	0.138	[1]
Humabs | Clinical and Regulatory Milestones | Measurement Input, Discount Rate | Maximum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value contingent consideration measurement input	0.151	[1]
Humabs | Clinical and Regulatory Milestones | Measurement Input, Discount Rate | Weighted Average
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value contingent consideration measurement input	(0.145)	[1]
Humabs | Clinical and Regulatory Milestones | Probability of Achievement | Minimum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value contingent consideration measurement input	0.144	[1]
Humabs | Clinical and Regulatory Milestones | Probability of Achievement | Maximum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value contingent consideration measurement input	0.600	[1]
Humabs | Clinical and Regulatory Milestones | Probability of Achievement | Weighted Average
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value contingent consideration measurement input	(0.436)	[1]
Humabs | Commercial Milestones | Measurement Input, Discount Rate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value contingent consideration measurement input	0.120
Humabs | Commercial Milestones | Probability of Achievement
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value contingent consideration measurement input	0.259
Humabs | Commercial Milestones | Measurement Input Expected Revenue Volatility
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value contingent consideration measurement input	0.800
TomegaVax | Measurement Input Expected Volatility
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value contingent consideration measurement input	0.900
TomegaVax | Measurement Input Risk Free Interest Rate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value contingent consideration measurement input	0.044

[1] Unobservable inputs were weighted based on the relative fair value of the clinical and regulatory milestone payments.