Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis Narrative (Detail) $ in Millions	Dec. 29, 2023 USD ($)	Mar. 31, 2024 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	Jul. 20, 2023 shares	Feb. 15, 2023 shares	Dec. 12, 2022 shares
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Sale of stock, additional purchase option | $	$ 10.0
Embedded derivative | $		$ 0.8	$ 0.8
Promissory Notes | $505 Million Promissory Note, December 2023 | Affiliated Entity
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Face amount | $	505.0
Prepayment and accrued interest upon specified transaction | $		50.0
Revenue Interest Purchase Agreement
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Less: Unamortized Discounts | $		$ 37.1	$ 34.5
Revenue Interest Purchase Agreement | Embedded Derivative Financial Instruments | Discount factor
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input | $ / shares		0.134	0.121
Stock Purchase And Option Agreement
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Sale of stock, additional purchase option | $	$ 10.0
Registered Direct Offering | December 2022 Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Number of shares available for purchase (in shares)						9,090,909
Number of warrants outstanding (in shares)		9,090,909	9,090,909
Registered Direct Offering | February 2023 Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Number of shares available for purchase (in shares)					14,072,615
Number of warrants outstanding (in shares)		14,072,615
Registered Direct Offering | July 2023 Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Number of shares available for purchase (in shares)				14,569,296
Number of warrants exercised (in shares) Exercised		4,284,648
Number of warrants outstanding (in shares)		10,284,648	14,569,296