Fair Value Measurements - Additional Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Gain (loss) on derivative liabilities	$ (1,000)	$ (10,700)	$ 5,900	$ (35,792)
Risk Adjusted Net Sales Forecast | Scilex Notes
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Derivative liability, measurement input	0.066		0.066
Effective Debt Yield
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Derivative liability, measurement input	0.18		0.18
Revenue Multiple | Minimum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Derivative liability, measurement input	0.55		0.55
Revenue Multiple | Maximum
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Derivative liability, measurement input	1		1