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Variable Interest Entity - Consolidated Variable Interest Entity - Additional Information (Detail) - USD ($) $ in Millions		3 Months Ended
	May 05, 2023	Mar. 31, 2024
Third Party Shareholders [Member] | Nonredeemable NCI [Member]
Business Acquisition [Line Items]
Ownership percentage	100.00%	100.00%
Other Investors [Member] | Nonredeemable NCI [Member]
Business Acquisition [Line Items]
Ownership percentage	98.00%	98.00%
Series A Preferred Shares [Member] | Nonredeemable NCI [Member]
Business Acquisition [Line Items]
Ownership percentage	2.00%	2.00%
Fortis Therapeutics [Member]
Business Acquisition [Line Items]
Payment to options exercised	$ 80.0
Contingent payment associated with business acquisition	200.0
Product development obligations	$ 5.4	$ 1.7

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Product Development Costs

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
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-Publisher FASB
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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
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-Publisher FASB
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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
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-Topic 230
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