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Acquisition and Disposition - Additional Information (Details)		3 Months Ended			6 Months Ended
	Sep. 08, 2023 USD ($) item $ / shares shares	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 26, 2024 USD ($)	Mar. 01, 2024 USD ($)	Dec. 31, 2023 USD ($)
Surface Acquisition
Cash consideration								$ 170,000,000.0
Pretax profit (loss)		$ (12,921,000)		$ (42,869,000)	$ 89,954,000	$ (118,598,000)
TSA receivables, net		138,317,000			138,317,000
TSA payables and other accrued liabilities		133,536,000			133,536,000
Additional consideration								17,800,000
Goodwill									$ 943,000
Net impairment charge					6,772,000
Contingent consideration, current									$ 3,300,000
Out-license - Novartis Institutes
Surface Acquisition
Impairment charge			$ 10,600,000
CIMERLI Sale | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Surface Acquisition
Cash consideration			187,800,000					170,000,000.0
Gain on sale transaction			153,600,000
Transaction costs			7,200,000
Pretax profit (loss)				2,700,000	7,400,000	(1,200,000)
TSA receivables, net		138,000,000.0			138,000,000.0
TSA payables and other accrued liabilities		133,300,000			133,300,000
Additional consideration								$ 17,800,000
Retention bonus		10,000,000.0			10,000,000.0
Income under TSA		800,000			1,100,000
YUSIMRY Sale | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Surface Acquisition
Cash consideration		40,000,000.0			40,000,000.0		$ 40,000,000.0
Inventory purchase commitments							$ 17,000,000.0
Gain on sale transaction		22,900,000
Transaction costs incurred		900,000
Transaction costs unpaid		900,000			900,000
Pretax profit (loss)		900,000		$ 800,000	1,400,000	$ (10,100,000)
TSA receivables, net		300,000			300,000
TSA payables and other accrued liabilities		$ 300,000			$ 300,000
Surface Acquisition
Surface Acquisition
Business Combination, Number of Shares Issued in Exchange of Each Share of Acquiree | shares	0.1960
Share price | $ / shares	$ 5.2831
Contingent value right per share | item	1
Contingent value rights payment period	10 years
Goodwill	$ 0
Business Combination, Number of Out Licensed Partnership Program | item	2
Fair value of the contingent consideration			3,800,000
Contingent consideration, current			0
Surface Acquisition | Out-license - Novartis Institutes
Surface Acquisition
Net impairment charge			$ 6,800,000
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]			Selling General And Administrative Expense
Impairment charge			$ 10,600,000
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]			Selling General And Administrative Expense
Surface Acquisition | Surface GSK Agreement
Surface Acquisition
Milestone and royalty based CVR payments (as percent)	70.00%
Surface Acquisition | Surface's SRF114 proprietary drug product candidate
Surface Acquisition
Upfront payment based CVR payments (as percent)	25.00%
Surface Acquisition | Surface's SRF388 proprietary drug product candidate
Surface Acquisition
Upfront payment based CVR payments (as percent)	50.00%

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