Share-Based Compensation - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted ( in shares)	0	0	0	0
Estimated total compensation expense	$ 18.1		$ 18.1
Expiration period in years			4 years
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted ( in shares)	0	0	400,000	400,000
Granted, Units fair value			$ 5.9	$ 3.7
Performance-based Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted ( in shares)			300,000	400,000
Granted, Units fair value			$ 4.1	$ 4.0
Service period in years			3 years