Debt - Summary of Interest Expense Recognized Related to Convertible Senior Notes (Detail) - Convertible Senior Notes [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Contractual interest expense	$ 1.4	$ 1.5	$ 1.2
Amortization of debt discount			14.0
Amortization of debt issuance costs	2.8	3.1	1.7
Total	$ 4.2	$ 4.6	$ 16.9