Borrowings - Schedule of Line of Credit Facility Debt and Key Terms (Detail) - USD ($) $ / shares in Units, $ in Millions		6 Months Ended
		Jun. 30, 2023	Dec. 31, 2022	Mar. 04, 2021
Senior Convertible Notes
Debt Instrument [Line Items]
Amount Due		$ 230.0	$ 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	[1]	$ 40.0	40.0
Maturity date	[1]	2025-08
SOFR | MidCap Credit Facility
Debt Instrument [Line Items]
Annual interest rate	[1]	6.25%
Interest rate floor	[1]	1.00%
Interest rate cap	[1]	8.25%
The Mann Group L L C | Convertible Promissory Note
Debt Instrument [Line Items]
Amount Due		$ 8.8	$ 8.8
Annual interest rate		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”).