Borrowings - Schedule of Line of Credit Facility Debt and Key Terms (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024	Apr. 02, 2024	Dec. 31, 2023	Dec. 31, 2021	Mar. 04, 2021
Senior Convertible Notes
Debt Instrument [Line Items]
Amount Due	$ 36.3		$ 230.0
Annual interest rate	2.50%
Maturity date	2026-03
Conversion price	$ 5.21				$ 5.21
MidCap Credit Facility
Debt Instrument [Line Items]
Amount Due			33.3
Maturity date	2025-08
SOFR | MidCap Credit Facility
Debt Instrument [Line Items]
Annual interest rate	6.25%
Interest rate floor	1.00%
Interest rate cap	8.25%
The Mann Group L L C
Debt Instrument [Line Items]
Conversion price		$ 2.5
The Mann Group L L C | Convertible Promissory Note
Debt Instrument [Line Items]
Amount Due			$ 8.8
Accrued interest paid-in-kind				$ 0.4
Annual interest rate	2.50%
Maturity date	2025-12
Conversion price	$ 2.5