Borrowings - Schedule of Line of Credit Facility Debt and Key Terms (Detail) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	12 Months Ended
	Aug. 31, 2022	Dec. 31, 2023		Dec. 31, 2022	Dec. 31, 2021	Mar. 04, 2021
Senior Convertible Notes
Debt Instrument [Line Items]
Amount Due		$ 230.0		$ 230.0
Annual interest rate		2.50%		2.50%
Maturity date		2026-03
Conversion price		$ 5.21				$ 5.21
MidCap Credit Facility
Debt Instrument [Line Items]
Amount Due		$ 33.3		$ 40.0
Maturity date		2025-08
MidCap Credit Facility | SOFR
Debt Instrument [Line Items]
Annual interest rate	6.25%	6.25%	[1]
Interest rate floor	1.00%	1.00%	[1]	1.00%
Interest rate cap	8.25%	8.25%	[1]	8.25%
The Mann Group L L C | Convertible Promissory Note
Debt Instrument [Line Items]
Amount Due		$ 8.8		$ 8.8
Accrued interest paid-in-kind					$ 0.4
Annual interest rate		2.50%	[1]	2.50%
Maturity date		2025-12
Conversion price		$ 2.5

[1] In August 2022, the Company amended the MidCap credit facility and transitioned the benchmark interest rate from LIBOR to the Secured Overnight Financing Rate (“SOFR”). The interest rate prior to the amendment was one-month LIBOR (1% floor) plus 6.25% (cap of 8.25%).