Significant Agreements and Contracts - Scilex Holding Ownership Increase - Additional Information (Details)	Mar. 31, 2021
Scilex Holding
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Percentage of outstanding common stock held	99.90%

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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Period Type:	duration